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Finding the Fourth Proportional to 22,654.84, 31,252.83 and 15,944.19

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Solution

The fourth proportional to 22,654.84, 31,252.83 and 15,944.19 is: 21,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.84 : 31,252.83 = 15,944.19 : x
  2. Step 2: Convert to fraction form
    22,654.84/31,252.83 = 15,944.19/x
  3. Step 3: Cross multiply
    22,654.84x = 31,252.83 × 15,944.19
  4. Step 4: Simplify right side
    22,654.84x = 498,301,059.56
  5. Step 5: Solve for x
    x = 498,301,059.56/22,654.84
  6. Step 6: Final answer
    x = 21,995.35

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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.