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Finding the Fourth Proportional to 57,411.96, 86,153.31 and 36,322.95

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Solution

The fourth proportional to 57,411.96, 86,153.31 and 36,322.95 is: 54,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.96 : 86,153.31 = 36,322.95 : x
  2. Step 2: Convert to fraction form
    57,411.96/86,153.31 = 36,322.95/x
  3. Step 3: Cross multiply
    57,411.96x = 86,153.31 × 36,322.95
  4. Step 4: Simplify right side
    57,411.96x = 3,129,342,371.46
  5. Step 5: Solve for x
    x = 3,129,342,371.46/57,411.96
  6. Step 6: Final answer
    x = 54,506.80

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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.