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Finding the Fourth Proportional to 62,286.76, 85,954.53 and 33,992.65

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Solution

The fourth proportional to 62,286.76, 85,954.53 and 33,992.65 is: 46,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,286.76 : 85,954.53 = 33,992.65 : x
  2. Step 2: Convert to fraction form
    62,286.76/85,954.53 = 33,992.65/x
  3. Step 3: Cross multiply
    62,286.76x = 85,954.53 × 33,992.65
  4. Step 4: Simplify right side
    62,286.76x = 2,921,822,254.20
  5. Step 5: Solve for x
    x = 2,921,822,254.20/62,286.76
  6. Step 6: Final answer
    x = 46,909.20

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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.