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Finding the Fourth Proportional to 74,688.60, 112,052.70 and 32,550.60

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Solution

The fourth proportional to 74,688.60, 112,052.70 and 32,550.60 is: 48,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,688.60 : 112,052.70 = 32,550.60 : x
  2. Step 2: Convert to fraction form
    74,688.60/112,052.70 = 32,550.60/x
  3. Step 3: Cross multiply
    74,688.60x = 112,052.70 × 32,550.60
  4. Step 4: Simplify right side
    74,688.60x = 3,647,382,616.62
  5. Step 5: Solve for x
    x = 3,647,382,616.62/74,688.60
  6. Step 6: Final answer
    x = 48,834.53

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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.