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Finding the Fourth Proportional to 9,951.70, 14,927.55 and 9,417.10

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Solution

The fourth proportional to 9,951.70, 14,927.55 and 9,417.10 is: 14,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.70 : 14,927.55 = 9,417.10 : x
  2. Step 2: Convert to fraction form
    9,951.70/14,927.55 = 9,417.10/x
  3. Step 3: Cross multiply
    9,951.70x = 14,927.55 × 9,417.10
  4. Step 4: Simplify right side
    9,951.70x = 140,574,231.11
  5. Step 5: Solve for x
    x = 140,574,231.11/9,951.70
  6. Step 6: Final answer
    x = 14,125.65

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Double scale
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Similar ratio
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1.5x scale

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.