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Finding the Fourth Proportional to 54,248.64, 81,355.68 and 17,304

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Solution

The fourth proportional to 54,248.64, 81,355.68 and 17,304 is: 25,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.64 : 81,355.68 = 17,304 : x
  2. Step 2: Convert to fraction form
    54,248.64/81,355.68 = 17,304/x
  3. Step 3: Cross multiply
    54,248.64x = 81,355.68 × 17,304
  4. Step 4: Simplify right side
    54,248.64x = 1,407,778,686.72
  5. Step 5: Solve for x
    x = 1,407,778,686.72/54,248.64
  6. Step 6: Final answer
    x = 25,950.49

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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.