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Finding the Fourth Proportional to 22,562.88, 33,845.76 and 6,981.12

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Solution

The fourth proportional to 22,562.88, 33,845.76 and 6,981.12 is: 10,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.88 : 33,845.76 = 6,981.12 : x
  2. Step 2: Convert to fraction form
    22,562.88/33,845.76 = 6,981.12/x
  3. Step 3: Cross multiply
    22,562.88x = 33,845.76 × 6,981.12
  4. Step 4: Simplify right side
    22,562.88x = 236,281,312.05
  5. Step 5: Solve for x
    x = 236,281,312.05/22,562.88
  6. Step 6: Final answer
    x = 10,472.13

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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.