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Finding the Fourth Proportional to 79,589.62, 119,385.81 and 27,000.46

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Solution

The fourth proportional to 79,589.62, 119,385.81 and 27,000.46 is: 40,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.62 : 119,385.81 = 27,000.46 : x
  2. Step 2: Convert to fraction form
    79,589.62/119,385.81 = 27,000.46/x
  3. Step 3: Cross multiply
    79,589.62x = 119,385.81 × 27,000.46
  4. Step 4: Simplify right side
    79,589.62x = 3,223,471,787.47
  5. Step 5: Solve for x
    x = 3,223,471,787.47/79,589.62
  6. Step 6: Final answer
    x = 40,501.16

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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.