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Finding the Fourth Proportional to 22,748.80, 34,123.28 and 7,957.64

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Solution

The fourth proportional to 22,748.80, 34,123.28 and 7,957.64 is: 11,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.80 : 34,123.28 = 7,957.64 : x
  2. Step 2: Convert to fraction form
    22,748.80/34,123.28 = 7,957.64/x
  3. Step 3: Cross multiply
    22,748.80x = 34,123.28 × 7,957.64
  4. Step 4: Simplify right side
    22,748.80x = 271,540,777.86
  5. Step 5: Solve for x
    x = 271,540,777.86/22,748.80
  6. Step 6: Final answer
    x = 11,936.49

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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.