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Finding the Fourth Proportional to 29,720.88, 44,585.64 and 15,862.32

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Solution

The fourth proportional to 29,720.88, 44,585.64 and 15,862.32 is: 23,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.88 : 44,585.64 = 15,862.32 : x
  2. Step 2: Convert to fraction form
    29,720.88/44,585.64 = 15,862.32/x
  3. Step 3: Cross multiply
    29,720.88x = 44,585.64 × 15,862.32
  4. Step 4: Simplify right side
    29,720.88x = 707,231,689.08
  5. Step 5: Solve for x
    x = 707,231,689.08/29,720.88
  6. Step 6: Final answer
    x = 23,795.79

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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.