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Finding the Fourth Proportional to 62,081.70, 85,674.54 and 33,789.18

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Solution

The fourth proportional to 62,081.70, 85,674.54 and 33,789.18 is: 46,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,081.70 : 85,674.54 = 33,789.18 : x
  2. Step 2: Convert to fraction form
    62,081.70/85,674.54 = 33,789.18/x
  3. Step 3: Cross multiply
    62,081.70x = 85,674.54 × 33,789.18
  4. Step 4: Simplify right side
    62,081.70x = 2,894,872,453.48
  5. Step 5: Solve for x
    x = 2,894,872,453.48/62,081.70
  6. Step 6: Final answer
    x = 46,630.04

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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.