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Finding the Fourth Proportional to 61,895.67, 85,486.35 and 41,717.76

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Solution

The fourth proportional to 61,895.67, 85,486.35 and 41,717.76 is: 57,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,895.67 : 85,486.35 = 41,717.76 : x
  2. Step 2: Convert to fraction form
    61,895.67/85,486.35 = 41,717.76/x
  3. Step 3: Cross multiply
    61,895.67x = 85,486.35 × 41,717.76
  4. Step 4: Simplify right side
    61,895.67x = 3,566,299,032.58
  5. Step 5: Solve for x
    x = 3,566,299,032.58/61,895.67
  6. Step 6: Final answer
    x = 57,617.91

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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.