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Finding the Fourth Proportional to 54,289.70, 81,434.55 and 41,167.70

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Solution

The fourth proportional to 54,289.70, 81,434.55 and 41,167.70 is: 61,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.70 : 81,434.55 = 41,167.70 : x
  2. Step 2: Convert to fraction form
    54,289.70/81,434.55 = 41,167.70/x
  3. Step 3: Cross multiply
    54,289.70x = 81,434.55 × 41,167.70
  4. Step 4: Simplify right side
    54,289.70x = 3,352,473,124.04
  5. Step 5: Solve for x
    x = 3,352,473,124.04/54,289.70
  6. Step 6: Final answer
    x = 61,751.55

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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.