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Finding the Fourth Proportional to 22,748.40, 34,127.40 and 7,167.60

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Solution

The fourth proportional to 22,748.40, 34,127.40 and 7,167.60 is: 10,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.40 : 34,127.40 = 7,167.60 : x
  2. Step 2: Convert to fraction form
    22,748.40/34,127.40 = 7,167.60/x
  3. Step 3: Cross multiply
    22,748.40x = 34,127.40 × 7,167.60
  4. Step 4: Simplify right side
    22,748.40x = 244,611,552.24
  5. Step 5: Solve for x
    x = 244,611,552.24/22,748.40
  6. Step 6: Final answer
    x = 10,752.91

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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.