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Finding the Fourth Proportional to 61,894.67, 85,484.97 and 41,716.76

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Solution

The fourth proportional to 61,894.67, 85,484.97 and 41,716.76 is: 57,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.67 : 85,484.97 = 41,716.76 : x
  2. Step 2: Convert to fraction form
    61,894.67/85,484.97 = 41,716.76/x
  3. Step 3: Cross multiply
    61,894.67x = 85,484.97 × 41,716.76
  4. Step 4: Simplify right side
    61,894.67x = 3,566,155,549.67
  5. Step 5: Solve for x
    x = 3,566,155,549.67/61,894.67
  6. Step 6: Final answer
    x = 57,616.53

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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.