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Finding the Fourth Proportional to 22,776.64, 34,163.28 and 10,938.88

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Solution

The fourth proportional to 22,776.64, 34,163.28 and 10,938.88 is: 16,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.64 : 34,163.28 = 10,938.88 : x
  2. Step 2: Convert to fraction form
    22,776.64/34,163.28 = 10,938.88/x
  3. Step 3: Cross multiply
    22,776.64x = 34,163.28 × 10,938.88
  4. Step 4: Simplify right side
    22,776.64x = 373,708,020.33
  5. Step 5: Solve for x
    x = 373,708,020.33/22,776.64
  6. Step 6: Final answer
    x = 16,407.51

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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.