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Finding the Fourth Proportional to 54,575.80, 81,888.54 and 26,480.68

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Solution

The fourth proportional to 54,575.80, 81,888.54 and 26,480.68 is: 39,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.80 : 81,888.54 = 26,480.68 : x
  2. Step 2: Convert to fraction form
    54,575.80/81,888.54 = 26,480.68/x
  3. Step 3: Cross multiply
    54,575.80x = 81,888.54 × 26,480.68
  4. Step 4: Simplify right side
    54,575.80x = 2,168,464,223.41
  5. Step 5: Solve for x
    x = 2,168,464,223.41/54,575.80
  6. Step 6: Final answer
    x = 39,733.07

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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.