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Finding the Fourth Proportional to 29,293.63, 40,425.25 and 15,864.91

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Solution

The fourth proportional to 29,293.63, 40,425.25 and 15,864.91 is: 21,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.63 : 40,425.25 = 15,864.91 : x
  2. Step 2: Convert to fraction form
    29,293.63/40,425.25 = 15,864.91/x
  3. Step 3: Cross multiply
    29,293.63x = 40,425.25 × 15,864.91
  4. Step 4: Simplify right side
    29,293.63x = 641,342,952.98
  5. Step 5: Solve for x
    x = 641,342,952.98/29,293.63
  6. Step 6: Final answer
    x = 21,893.60

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