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Finding the Fourth Proportional to 83,813.70, 125,746.79 and 27,693.24

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Solution

The fourth proportional to 83,813.70, 125,746.79 and 27,693.24 is: 41,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,813.70 : 125,746.79 = 27,693.24 : x
  2. Step 2: Convert to fraction form
    83,813.70/125,746.79 = 27,693.24/x
  3. Step 3: Cross multiply
    83,813.70x = 125,746.79 × 27,693.24
  4. Step 4: Simplify right side
    83,813.70x = 3,482,336,034.70
  5. Step 5: Solve for x
    x = 3,482,336,034.70/83,813.70
  6. Step 6: Final answer
    x = 41,548.53

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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.