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Finding the Fourth Proportional to 33,123.27, 45,694.76 and 19,686.99

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Solution

The fourth proportional to 33,123.27, 45,694.76 and 19,686.99 is: 27,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.27 : 45,694.76 = 19,686.99 : x
  2. Step 2: Convert to fraction form
    33,123.27/45,694.76 = 19,686.99/x
  3. Step 3: Cross multiply
    33,123.27x = 45,694.76 × 19,686.99
  4. Step 4: Simplify right side
    33,123.27x = 899,592,184.74
  5. Step 5: Solve for x
    x = 899,592,184.74/33,123.27
  6. Step 6: Final answer
    x = 27,158.92

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