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Finding the Fourth Proportional to 16,040.71, 24,064.71 and 7,278.13

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Solution

The fourth proportional to 16,040.71, 24,064.71 and 7,278.13 is: 10,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.71 : 24,064.71 = 7,278.13 : x
  2. Step 2: Convert to fraction form
    16,040.71/24,064.71 = 7,278.13/x
  3. Step 3: Cross multiply
    16,040.71x = 24,064.71 × 7,278.13
  4. Step 4: Simplify right side
    16,040.71x = 175,146,087.79
  5. Step 5: Solve for x
    x = 175,146,087.79/16,040.71
  6. Step 6: Final answer
    x = 10,918.85

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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.