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Finding the Fourth Proportional to 29,699.27, 40,985.25 and 17,124.02

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Solution

The fourth proportional to 29,699.27, 40,985.25 and 17,124.02 is: 23,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.27 : 40,985.25 = 17,124.02 : x
  2. Step 2: Convert to fraction form
    29,699.27/40,985.25 = 17,124.02/x
  3. Step 3: Cross multiply
    29,699.27x = 40,985.25 × 17,124.02
  4. Step 4: Simplify right side
    29,699.27x = 701,832,240.71
  5. Step 5: Solve for x
    x = 701,832,240.71/29,699.27
  6. Step 6: Final answer
    x = 23,631.30

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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.