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Finding the Fourth Proportional to 61,885.97, 85,402.08 and 33,591.63

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Solution

The fourth proportional to 61,885.97, 85,402.08 and 33,591.63 is: 46,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,885.97 : 85,402.08 = 33,591.63 : x
  2. Step 2: Convert to fraction form
    61,885.97/85,402.08 = 33,591.63/x
  3. Step 3: Cross multiply
    61,885.97x = 85,402.08 × 33,591.63
  4. Step 4: Simplify right side
    61,885.97x = 2,868,795,072.59
  5. Step 5: Solve for x
    x = 2,868,795,072.59/61,885.97
  6. Step 6: Final answer
    x = 46,356.15

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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.