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Finding the Fourth Proportional to 22,002.44, 30,363.15 and 11,931.10

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Solution

The fourth proportional to 22,002.44, 30,363.15 and 11,931.10 is: 16,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.44 : 30,363.15 = 11,931.10 : x
  2. Step 2: Convert to fraction form
    22,002.44/30,363.15 = 11,931.10/x
  3. Step 3: Cross multiply
    22,002.44x = 30,363.15 × 11,931.10
  4. Step 4: Simplify right side
    22,002.44x = 362,265,747.80
  5. Step 5: Solve for x
    x = 362,265,747.80/22,002.44
  6. Step 6: Final answer
    x = 16,464.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.