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Finding the Fourth Proportional to 57,567.58, 86,343.81 and 18,124.90

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Solution

The fourth proportional to 57,567.58, 86,343.81 and 18,124.90 is: 27,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,567.58 : 86,343.81 = 18,124.90 : x
  2. Step 2: Convert to fraction form
    57,567.58/86,343.81 = 18,124.90/x
  3. Step 3: Cross multiply
    57,567.58x = 86,343.81 × 18,124.90
  4. Step 4: Simplify right side
    57,567.58x = 1,564,972,921.87
  5. Step 5: Solve for x
    x = 1,564,972,921.87/57,567.58
  6. Step 6: Final answer
    x = 27,184.97

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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.