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Finding the Fourth Proportional to 61,920.66, 85,449.76 and 33,626.56

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Solution

The fourth proportional to 61,920.66, 85,449.76 and 33,626.56 is: 46,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.66 : 85,449.76 = 33,626.56 : x
  2. Step 2: Convert to fraction form
    61,920.66/85,449.76 = 33,626.56/x
  3. Step 3: Cross multiply
    61,920.66x = 85,449.76 × 33,626.56
  4. Step 4: Simplify right side
    61,920.66x = 2,873,381,481.63
  5. Step 5: Solve for x
    x = 2,873,381,481.63/61,920.66
  6. Step 6: Final answer
    x = 46,404.25

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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.