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Finding the Fourth Proportional to 79,649.60, 119,439.68 and 24,232.64

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Solution

The fourth proportional to 79,649.60, 119,439.68 and 24,232.64 is: 36,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.60 : 119,439.68 = 24,232.64 : x
  2. Step 2: Convert to fraction form
    79,649.60/119,439.68 = 24,232.64/x
  3. Step 3: Cross multiply
    79,649.60x = 119,439.68 × 24,232.64
  4. Step 4: Simplify right side
    79,649.60x = 2,894,338,767.16
  5. Step 5: Solve for x
    x = 2,894,338,767.16/79,649.60
  6. Step 6: Final answer
    x = 36,338.40

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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.