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Finding the Fourth Proportional to 19,706.38, 29,549.13 and 8,600.10

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Solution

The fourth proportional to 19,706.38, 29,549.13 and 8,600.10 is: 12,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.38 : 29,549.13 = 8,600.10 : x
  2. Step 2: Convert to fraction form
    19,706.38/29,549.13 = 8,600.10/x
  3. Step 3: Cross multiply
    19,706.38x = 29,549.13 × 8,600.10
  4. Step 4: Simplify right side
    19,706.38x = 254,125,472.91
  5. Step 5: Solve for x
    x = 254,125,472.91/19,706.38
  6. Step 6: Final answer
    x = 12,895.59

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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.