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Finding the Fourth Proportional to 60,342.82, 90,520.71 and 25,286.02

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Solution

The fourth proportional to 60,342.82, 90,520.71 and 25,286.02 is: 37,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,342.82 : 90,520.71 = 25,286.02 : x
  2. Step 2: Convert to fraction form
    60,342.82/90,520.71 = 25,286.02/x
  3. Step 3: Cross multiply
    60,342.82x = 90,520.71 × 25,286.02
  4. Step 4: Simplify right side
    60,342.82x = 2,288,908,483.47
  5. Step 5: Solve for x
    x = 2,288,908,483.47/60,342.82
  6. Step 6: Final answer
    x = 37,931.75

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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.