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Finding the Fourth Proportional to 57,702.47, 86,552.81 and 29,606.31

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Solution

The fourth proportional to 57,702.47, 86,552.81 and 29,606.31 is: 44,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.47 : 86,552.81 = 29,606.31 : x
  2. Step 2: Convert to fraction form
    57,702.47/86,552.81 = 29,606.31/x
  3. Step 3: Cross multiply
    57,702.47x = 86,552.81 × 29,606.31
  4. Step 4: Simplify right side
    57,702.47x = 2,562,509,176.20
  5. Step 5: Solve for x
    x = 2,562,509,176.20/57,702.47
  6. Step 6: Final answer
    x = 44,409.00

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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.