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Finding the Fourth Proportional to 54,867.84, 75,717.78 and 29,717.34

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Solution

The fourth proportional to 54,867.84, 75,717.78 and 29,717.34 is: 41,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.84 : 75,717.78 = 29,717.34 : x
  2. Step 2: Convert to fraction form
    54,867.84/75,717.78 = 29,717.34/x
  3. Step 3: Cross multiply
    54,867.84x = 75,717.78 × 29,717.34
  4. Step 4: Simplify right side
    54,867.84x = 2,250,131,012.31
  5. Step 5: Solve for x
    x = 2,250,131,012.31/54,867.84
  6. Step 6: Final answer
    x = 41,010.02

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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.