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Finding the Fourth Proportional to 57,468.60, 86,151.60 and 22,400.10

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Solution

The fourth proportional to 57,468.60, 86,151.60 and 22,400.10 is: 33,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468.60 : 86,151.60 = 22,400.10 : x
  2. Step 2: Convert to fraction form
    57,468.60/86,151.60 = 22,400.10/x
  3. Step 3: Cross multiply
    57,468.60x = 86,151.60 × 22,400.10
  4. Step 4: Simplify right side
    57,468.60x = 1,929,804,455.16
  5. Step 5: Solve for x
    x = 1,929,804,455.16/57,468.60
  6. Step 6: Final answer
    x = 33,580.15

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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.