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Finding the Fourth Proportional to 57,407.52, 86,064.81 and 17,944.32

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Solution

The fourth proportional to 57,407.52, 86,064.81 and 17,944.32 is: 26,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.52 : 86,064.81 = 17,944.32 : x
  2. Step 2: Convert to fraction form
    57,407.52/86,064.81 = 17,944.32/x
  3. Step 3: Cross multiply
    57,407.52x = 86,064.81 × 17,944.32
  4. Step 4: Simplify right side
    57,407.52x = 1,544,374,491.38
  5. Step 5: Solve for x
    x = 1,544,374,491.38/57,407.52
  6. Step 6: Final answer
    x = 26,901.95

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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.