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Finding the Fourth Proportional to 57,054.38, 85,581.77 and 15,501.38

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Solution

The fourth proportional to 57,054.38, 85,581.77 and 15,501.38 is: 23,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.38 : 85,581.77 = 15,501.38 : x
  2. Step 2: Convert to fraction form
    57,054.38/85,581.77 = 15,501.38/x
  3. Step 3: Cross multiply
    57,054.38x = 85,581.77 × 15,501.38
  4. Step 4: Simplify right side
    57,054.38x = 1,326,635,032.43
  5. Step 5: Solve for x
    x = 1,326,635,032.43/57,054.38
  6. Step 6: Final answer
    x = 23,252.12

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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.