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Finding the Fourth Proportional to 10,944.61, 16,401.79 and 9,480.13

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Solution

The fourth proportional to 10,944.61, 16,401.79 and 9,480.13 is: 14,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.61 : 16,401.79 = 9,480.13 : x
  2. Step 2: Convert to fraction form
    10,944.61/16,401.79 = 9,480.13/x
  3. Step 3: Cross multiply
    10,944.61x = 16,401.79 × 9,480.13
  4. Step 4: Simplify right side
    10,944.61x = 155,491,101.43
  5. Step 5: Solve for x
    x = 155,491,101.43/10,944.61
  6. Step 6: Final answer
    x = 14,207.09

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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.