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Finding the Fourth Proportional to 40,199.76, 55,472.03 and 22,294.71

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Solution

The fourth proportional to 40,199.76, 55,472.03 and 22,294.71 is: 30,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.76 : 55,472.03 = 22,294.71 : x
  2. Step 2: Convert to fraction form
    40,199.76/55,472.03 = 22,294.71/x
  3. Step 3: Cross multiply
    40,199.76x = 55,472.03 × 22,294.71
  4. Step 4: Simplify right side
    40,199.76x = 1,236,732,710.49
  5. Step 5: Solve for x
    x = 1,236,732,710.49/40,199.76
  6. Step 6: Final answer
    x = 30,764.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.