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Finding the Fourth Proportional to 57,051.52, 85,597.55 and 25,458.71

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Solution

The fourth proportional to 57,051.52, 85,597.55 and 25,458.71 is: 38,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.52 : 85,597.55 = 25,458.71 : x
  2. Step 2: Convert to fraction form
    57,051.52/85,597.55 = 25,458.71/x
  3. Step 3: Cross multiply
    57,051.52x = 85,597.55 × 25,458.71
  4. Step 4: Simplify right side
    57,051.52x = 2,179,202,742.35
  5. Step 5: Solve for x
    x = 2,179,202,742.35/57,051.52
  6. Step 6: Final answer
    x = 38,197.10

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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.