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Finding the Fourth Proportional to 83,509.67, 125,270.37 and 33,590.04

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Solution

The fourth proportional to 83,509.67, 125,270.37 and 33,590.04 is: 50,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,509.67 : 125,270.37 = 33,590.04 : x
  2. Step 2: Convert to fraction form
    83,509.67/125,270.37 = 33,590.04/x
  3. Step 3: Cross multiply
    83,509.67x = 125,270.37 × 33,590.04
  4. Step 4: Simplify right side
    83,509.67x = 4,207,836,739.11
  5. Step 5: Solve for x
    x = 4,207,836,739.11/83,509.67
  6. Step 6: Final answer
    x = 50,387.42

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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.