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Finding the Fourth Proportional to 24,387.76, 36,581.64 and 5,919.76

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Solution

The fourth proportional to 24,387.76, 36,581.64 and 5,919.76 is: 8,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,387.76 : 36,581.64 = 5,919.76 : x
  2. Step 2: Convert to fraction form
    24,387.76/36,581.64 = 5,919.76/x
  3. Step 3: Cross multiply
    24,387.76x = 36,581.64 × 5,919.76
  4. Step 4: Simplify right side
    24,387.76x = 216,554,529.21
  5. Step 5: Solve for x
    x = 216,554,529.21/24,387.76
  6. Step 6: Final answer
    x = 8,879.64

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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.