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Finding the Fourth Proportional to 59,748.92, 89,642.21 and 28,157.70

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Solution

The fourth proportional to 59,748.92, 89,642.21 and 28,157.70 is: 42,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,748.92 : 89,642.21 = 28,157.70 : x
  2. Step 2: Convert to fraction form
    59,748.92/89,642.21 = 28,157.70/x
  3. Step 3: Cross multiply
    59,748.92x = 89,642.21 × 28,157.70
  4. Step 4: Simplify right side
    59,748.92x = 2,524,118,456.52
  5. Step 5: Solve for x
    x = 2,524,118,456.52/59,748.92
  6. Step 6: Final answer
    x = 42,245.42

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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.