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Finding the Fourth Proportional to 29,487.30, 40,706.37 and 17,384.07

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Solution

The fourth proportional to 29,487.30, 40,706.37 and 17,384.07 is: 23,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.30 : 40,706.37 = 17,384.07 : x
  2. Step 2: Convert to fraction form
    29,487.30/40,706.37 = 17,384.07/x
  3. Step 3: Cross multiply
    29,487.30x = 40,706.37 × 17,384.07
  4. Step 4: Simplify right side
    29,487.30x = 707,642,385.53
  5. Step 5: Solve for x
    x = 707,642,385.53/29,487.30
  6. Step 6: Final answer
    x = 23,998.21

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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.