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Finding the Fourth Proportional to 14,929.70, 20,596.05 and 8,951.00

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Solution

The fourth proportional to 14,929.70, 20,596.05 and 8,951.00 is: 12,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.70 : 20,596.05 = 8,951.00 : x
  2. Step 2: Convert to fraction form
    14,929.70/20,596.05 = 8,951.00/x
  3. Step 3: Cross multiply
    14,929.70x = 20,596.05 × 8,951.00
  4. Step 4: Simplify right side
    14,929.70x = 184,355,140.57
  5. Step 5: Solve for x
    x = 184,355,140.57/14,929.70
  6. Step 6: Final answer
    x = 12,348.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.