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Finding the Fourth Proportional to 75,815.60, 113,550.60 and 44,711.60

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Solution

The fourth proportional to 75,815.60, 113,550.60 and 44,711.60 is: 66,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.60 : 113,550.60 = 44,711.60 : x
  2. Step 2: Convert to fraction form
    75,815.60/113,550.60 = 44,711.60/x
  3. Step 3: Cross multiply
    75,815.60x = 113,550.60 × 44,711.60
  4. Step 4: Simplify right side
    75,815.60x = 5,077,029,006.96
  5. Step 5: Solve for x
    x = 5,077,029,006.96/75,815.60
  6. Step 6: Final answer
    x = 66,965.49

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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.