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Finding the Fourth Proportional to 61,884.38, 85,393.33 and 34,656.66

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Solution

The fourth proportional to 61,884.38, 85,393.33 and 34,656.66 is: 47,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.38 : 85,393.33 = 34,656.66 : x
  2. Step 2: Convert to fraction form
    61,884.38/85,393.33 = 34,656.66/x
  3. Step 3: Cross multiply
    61,884.38x = 85,393.33 × 34,656.66
  4. Step 4: Simplify right side
    61,884.38x = 2,959,447,604.08
  5. Step 5: Solve for x
    x = 2,959,447,604.08/61,884.38
  6. Step 6: Final answer
    x = 47,822.21

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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.