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Finding the Fourth Proportional to 57,612.16, 86,360.82 and 24,340.60

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Solution

The fourth proportional to 57,612.16, 86,360.82 and 24,340.60 is: 36,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612.16 : 86,360.82 = 24,340.60 : x
  2. Step 2: Convert to fraction form
    57,612.16/86,360.82 = 24,340.60/x
  3. Step 3: Cross multiply
    57,612.16x = 86,360.82 × 24,340.60
  4. Step 4: Simplify right side
    57,612.16x = 2,102,074,175.29
  5. Step 5: Solve for x
    x = 2,102,074,175.29/57,612.16
  6. Step 6: Final answer
    x = 36,486.64

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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.