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Finding the Fourth Proportional to 63,251.80, 94,800.90 and 28,154.20

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Solution

The fourth proportional to 63,251.80, 94,800.90 and 28,154.20 is: 42,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,251.80 : 94,800.90 = 28,154.20 : x
  2. Step 2: Convert to fraction form
    63,251.80/94,800.90 = 28,154.20/x
  3. Step 3: Cross multiply
    63,251.80x = 94,800.90 × 28,154.20
  4. Step 4: Simplify right side
    63,251.80x = 2,669,043,498.78
  5. Step 5: Solve for x
    x = 2,669,043,498.78/63,251.80
  6. Step 6: Final answer
    x = 42,197.12

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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.