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Finding the Fourth Proportional to 48,722.70, 73,250.82 and 45,070.44

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Solution

The fourth proportional to 48,722.70, 73,250.82 and 45,070.44 is: 67,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.70 : 73,250.82 = 45,070.44 : x
  2. Step 2: Convert to fraction form
    48,722.70/73,250.82 = 45,070.44/x
  3. Step 3: Cross multiply
    48,722.70x = 73,250.82 × 45,070.44
  4. Step 4: Simplify right side
    48,722.70x = 3,301,446,687.76
  5. Step 5: Solve for x
    x = 3,301,446,687.76/48,722.70
  6. Step 6: Final answer
    x = 67,759.93

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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.