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Finding the Fourth Proportional to 45,200.80, 67,710.40 and 25,449.76

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Solution

The fourth proportional to 45,200.80, 67,710.40 and 25,449.76 is: 38,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.80 : 67,710.40 = 25,449.76 : x
  2. Step 2: Convert to fraction form
    45,200.80/67,710.40 = 25,449.76/x
  3. Step 3: Cross multiply
    45,200.80x = 67,710.40 × 25,449.76
  4. Step 4: Simplify right side
    45,200.80x = 1,723,213,429.50
  5. Step 5: Solve for x
    x = 1,723,213,429.50/45,200.80
  6. Step 6: Final answer
    x = 38,123.52

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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.