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Finding the Fourth Proportional to 61,588.40, 84,992.12 and 33,294.09

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Solution

The fourth proportional to 61,588.40, 84,992.12 and 33,294.09 is: 45,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,588.40 : 84,992.12 = 33,294.09 : x
  2. Step 2: Convert to fraction form
    61,588.40/84,992.12 = 33,294.09/x
  3. Step 3: Cross multiply
    61,588.40x = 84,992.12 × 33,294.09
  4. Step 4: Simplify right side
    61,588.40x = 2,829,735,126.10
  5. Step 5: Solve for x
    x = 2,829,735,126.10/61,588.40
  6. Step 6: Final answer
    x = 45,945.91

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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.