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Finding the Fourth Proportional to 22,767.68, 34,150.88 and 12,399.68

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Solution

The fourth proportional to 22,767.68, 34,150.88 and 12,399.68 is: 18,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,767.68 : 34,150.88 = 12,399.68 : x
  2. Step 2: Convert to fraction form
    22,767.68/34,150.88 = 12,399.68/x
  3. Step 3: Cross multiply
    22,767.68x = 34,150.88 × 12,399.68
  4. Step 4: Simplify right side
    22,767.68x = 423,459,983.72
  5. Step 5: Solve for x
    x = 423,459,983.72/22,767.68
  6. Step 6: Final answer
    x = 18,599.17

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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.