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Finding the Fourth Proportional to 9,722,409.70, 14,583,614.55 and 8,630,659.30

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Solution

The fourth proportional to 9,722,409.70, 14,583,614.55 and 8,630,659.30 is: 12,945,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722,409.70 : 14,583,614.55 = 8,630,659.30 : x
  2. Step 2: Convert to fraction form
    9,722,409.70/14,583,614.55 = 8,630,659.30/x
  3. Step 3: Cross multiply
    9,722,409.70x = 14,583,614.55 × 8,630,659.30
  4. Step 4: Simplify right side
    9,722,409.70x = 125,866,208,543,572.83
  5. Step 5: Solve for x
    x = 125,866,208,543,572.83/9,722,409.70
  6. Step 6: Final answer
    x = 12,945,988.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.