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Finding the Fourth Proportional to 54,089.01, 81,078.80 and 25,967.97

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Solution

The fourth proportional to 54,089.01, 81,078.80 and 25,967.97 is: 38,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.01 : 81,078.80 = 25,967.97 : x
  2. Step 2: Convert to fraction form
    54,089.01/81,078.80 = 25,967.97/x
  3. Step 3: Cross multiply
    54,089.01x = 81,078.80 × 25,967.97
  4. Step 4: Simplify right side
    54,089.01x = 2,105,451,716.20
  5. Step 5: Solve for x
    x = 2,105,451,716.20/54,089.01
  6. Step 6: Final answer
    x = 38,925.68

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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.