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Finding the Fourth Proportional to 57,812.92, 86,650.35 and 29,746.42

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Solution

The fourth proportional to 57,812.92, 86,650.35 and 29,746.42 is: 44,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.92 : 86,650.35 = 29,746.42 : x
  2. Step 2: Convert to fraction form
    57,812.92/86,650.35 = 29,746.42/x
  3. Step 3: Cross multiply
    57,812.92x = 86,650.35 × 29,746.42
  4. Step 4: Simplify right side
    57,812.92x = 2,577,537,376.07
  5. Step 5: Solve for x
    x = 2,577,537,376.07/57,812.92
  6. Step 6: Final answer
    x = 44,584.11

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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.