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Finding the Fourth Proportional to 22,318.56, 33,478.56 and 10,625.76

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Solution

The fourth proportional to 22,318.56, 33,478.56 and 10,625.76 is: 15,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.56 : 33,478.56 = 10,625.76 : x
  2. Step 2: Convert to fraction form
    22,318.56/33,478.56 = 10,625.76/x
  3. Step 3: Cross multiply
    22,318.56x = 33,478.56 × 10,625.76
  4. Step 4: Simplify right side
    22,318.56x = 355,735,143.71
  5. Step 5: Solve for x
    x = 355,735,143.71/22,318.56
  6. Step 6: Final answer
    x = 15,938.98

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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.