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Finding the Fourth Proportional to 57,459.78, 86,138.64 and 22,424.04

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Solution

The fourth proportional to 57,459.78, 86,138.64 and 22,424.04 is: 33,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.78 : 86,138.64 = 22,424.04 : x
  2. Step 2: Convert to fraction form
    57,459.78/86,138.64 = 22,424.04/x
  3. Step 3: Cross multiply
    57,459.78x = 86,138.64 × 22,424.04
  4. Step 4: Simplify right side
    57,459.78x = 1,931,576,308.91
  5. Step 5: Solve for x
    x = 1,931,576,308.91/57,459.78
  6. Step 6: Final answer
    x = 33,616.15

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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.