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Finding the Fourth Proportional to 61,883.97, 85,397.59 and 33,589.05

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Solution

The fourth proportional to 61,883.97, 85,397.59 and 33,589.05 is: 46,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.97 : 85,397.59 = 33,589.05 : x
  2. Step 2: Convert to fraction form
    61,883.97/85,397.59 = 33,589.05/x
  3. Step 3: Cross multiply
    61,883.97x = 85,397.59 × 33,589.05
  4. Step 4: Simplify right side
    61,883.97x = 2,868,423,920.39
  5. Step 5: Solve for x
    x = 2,868,423,920.39/61,883.97
  6. Step 6: Final answer
    x = 46,351.65

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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.