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Finding the Fourth Proportional to 45,155.25, 67,581.76 and 44,557.83

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Solution

The fourth proportional to 45,155.25, 67,581.76 and 44,557.83 is: 66,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.25 : 67,581.76 = 44,557.83 : x
  2. Step 2: Convert to fraction form
    45,155.25/67,581.76 = 44,557.83/x
  3. Step 3: Cross multiply
    45,155.25x = 67,581.76 × 44,557.83
  4. Step 4: Simplify right side
    45,155.25x = 3,011,296,573.18
  5. Step 5: Solve for x
    x = 3,011,296,573.18/45,155.25
  6. Step 6: Final answer
    x = 66,687.63

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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.