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Finding the Fourth Proportional to 60,535.52, 90,878.88 and 40,901.12

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Solution

The fourth proportional to 60,535.52, 90,878.88 and 40,901.12 is: 61,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,535.52 : 90,878.88 = 40,901.12 : x
  2. Step 2: Convert to fraction form
    60,535.52/90,878.88 = 40,901.12/x
  3. Step 3: Cross multiply
    60,535.52x = 90,878.88 × 40,901.12
  4. Step 4: Simplify right side
    60,535.52x = 3,717,047,976.35
  5. Step 5: Solve for x
    x = 3,717,047,976.35/60,535.52
  6. Step 6: Final answer
    x = 61,402.76

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1.5x scale

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.