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Finding the Fourth Proportional to 69,253.52, 95,621.04 and 42,432.66

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Solution

The fourth proportional to 69,253.52, 95,621.04 and 42,432.66 is: 58,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.52 : 95,621.04 = 42,432.66 : x
  2. Step 2: Convert to fraction form
    69,253.52/95,621.04 = 42,432.66/x
  3. Step 3: Cross multiply
    69,253.52x = 95,621.04 × 42,432.66
  4. Step 4: Simplify right side
    69,253.52x = 4,057,455,079.17
  5. Step 5: Solve for x
    x = 4,057,455,079.17/69,253.52
  6. Step 6: Final answer
    x = 58,588.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.