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Finding the Fourth Proportional to 48,742.30, 73,113.45 and 36,300.70

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Solution

The fourth proportional to 48,742.30, 73,113.45 and 36,300.70 is: 54,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.30 : 73,113.45 = 36,300.70 : x
  2. Step 2: Convert to fraction form
    48,742.30/73,113.45 = 36,300.70/x
  3. Step 3: Cross multiply
    48,742.30x = 73,113.45 × 36,300.70
  4. Step 4: Simplify right side
    48,742.30x = 2,654,069,414.42
  5. Step 5: Solve for x
    x = 2,654,069,414.42/48,742.30
  6. Step 6: Final answer
    x = 54,451.05

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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.