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Finding the Fourth Proportional to 22,710.62, 34,070.48 and 7,915.56

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Solution

The fourth proportional to 22,710.62, 34,070.48 and 7,915.56 is: 11,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.62 : 34,070.48 = 7,915.56 : x
  2. Step 2: Convert to fraction form
    22,710.62/34,070.48 = 7,915.56/x
  3. Step 3: Cross multiply
    22,710.62x = 34,070.48 × 7,915.56
  4. Step 4: Simplify right side
    22,710.62x = 269,687,033.63
  5. Step 5: Solve for x
    x = 269,687,033.63/22,710.62
  6. Step 6: Final answer
    x = 11,874.93

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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.