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Finding the Fourth Proportional to 24,139.13, 36,199.81 and 8,340.11

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Solution

The fourth proportional to 24,139.13, 36,199.81 and 8,340.11 is: 12,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,139.13 : 36,199.81 = 8,340.11 : x
  2. Step 2: Convert to fraction form
    24,139.13/36,199.81 = 8,340.11/x
  3. Step 3: Cross multiply
    24,139.13x = 36,199.81 × 8,340.11
  4. Step 4: Simplify right side
    24,139.13x = 301,910,566.18
  5. Step 5: Solve for x
    x = 301,910,566.18/24,139.13
  6. Step 6: Final answer
    x = 12,507.10

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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.