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Finding the Fourth Proportional to 54,937.71, 75,814.02 and 29,787.21

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Solution

The fourth proportional to 54,937.71, 75,814.02 and 29,787.21 is: 41,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.71 : 75,814.02 = 29,787.21 : x
  2. Step 2: Convert to fraction form
    54,937.71/75,814.02 = 29,787.21/x
  3. Step 3: Cross multiply
    54,937.71x = 75,814.02 × 29,787.21
  4. Step 4: Simplify right side
    54,937.71x = 2,258,288,134.68
  5. Step 5: Solve for x
    x = 2,258,288,134.68/54,937.71
  6. Step 6: Final answer
    x = 41,106.34

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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.