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Finding the Fourth Proportional to 80,792.64, 111,493.08 and 44,980.47

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Solution

The fourth proportional to 80,792.64, 111,493.08 and 44,980.47 is: 62,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792.64 : 111,493.08 = 44,980.47 : x
  2. Step 2: Convert to fraction form
    80,792.64/111,493.08 = 44,980.47/x
  3. Step 3: Cross multiply
    80,792.64x = 111,493.08 × 44,980.47
  4. Step 4: Simplify right side
    80,792.64x = 5,015,011,140.15
  5. Step 5: Solve for x
    x = 5,015,011,140.15/80,792.64
  6. Step 6: Final answer
    x = 62,072.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.