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Finding the Fourth Proportional to 56,753.60, 85,050.72 and 44,855.12

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Solution

The fourth proportional to 56,753.60, 85,050.72 and 44,855.12 is: 67,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.60 : 85,050.72 = 44,855.12 : x
  2. Step 2: Convert to fraction form
    56,753.60/85,050.72 = 44,855.12/x
  3. Step 3: Cross multiply
    56,753.60x = 85,050.72 × 44,855.12
  4. Step 4: Simplify right side
    56,753.60x = 3,814,960,251.69
  5. Step 5: Solve for x
    x = 3,814,960,251.69/56,753.60
  6. Step 6: Final answer
    x = 67,219.71

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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.