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Finding the Fourth Proportional to 60,538.52, 90,807.36 and 15,559.70

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Solution

The fourth proportional to 60,538.52, 90,807.36 and 15,559.70 is: 23,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,538.52 : 90,807.36 = 15,559.70 : x
  2. Step 2: Convert to fraction form
    60,538.52/90,807.36 = 15,559.70/x
  3. Step 3: Cross multiply
    60,538.52x = 90,807.36 × 15,559.70
  4. Step 4: Simplify right side
    60,538.52x = 1,412,935,279.39
  5. Step 5: Solve for x
    x = 1,412,935,279.39/60,538.52
  6. Step 6: Final answer
    x = 23,339.44

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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.