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Finding the Fourth Proportional to 54,274.35, 81,411.53 and 36,559.65

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Solution

The fourth proportional to 54,274.35, 81,411.53 and 36,559.65 is: 54,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.35 : 81,411.53 = 36,559.65 : x
  2. Step 2: Convert to fraction form
    54,274.35/81,411.53 = 36,559.65/x
  3. Step 3: Cross multiply
    54,274.35x = 81,411.53 × 36,559.65
  4. Step 4: Simplify right side
    54,274.35x = 2,976,376,859.97
  5. Step 5: Solve for x
    x = 2,976,376,859.97/54,274.35
  6. Step 6: Final answer
    x = 54,839.48

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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.