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Finding the Fourth Proportional to 57,058.68, 85,585.68 and 14,938.08

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Solution

The fourth proportional to 57,058.68, 85,585.68 and 14,938.08 is: 22,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.68 : 85,585.68 = 14,938.08 : x
  2. Step 2: Convert to fraction form
    57,058.68/85,585.68 = 14,938.08/x
  3. Step 3: Cross multiply
    57,058.68x = 85,585.68 × 14,938.08
  4. Step 4: Simplify right side
    57,058.68x = 1,278,485,734.69
  5. Step 5: Solve for x
    x = 1,278,485,734.69/57,058.68
  6. Step 6: Final answer
    x = 22,406.51

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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.