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Finding the Fourth Proportional to 80,624.79, 111,244.13 and 48,793

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Solution

The fourth proportional to 80,624.79, 111,244.13 and 48,793 is: 67,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,624.79 : 111,244.13 = 48,793 : x
  2. Step 2: Convert to fraction form
    80,624.79/111,244.13 = 48,793/x
  3. Step 3: Cross multiply
    80,624.79x = 111,244.13 × 48,793
  4. Step 4: Simplify right side
    80,624.79x = 5,427,934,835.09
  5. Step 5: Solve for x
    x = 5,427,934,835.09/80,624.79
  6. Step 6: Final answer
    x = 67,323.40

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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.