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Finding the Fourth Proportional to 61,559.61, 84,959.01 and 35,723.85

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Solution

The fourth proportional to 61,559.61, 84,959.01 and 35,723.85 is: 49,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,559.61 : 84,959.01 = 35,723.85 : x
  2. Step 2: Convert to fraction form
    61,559.61/84,959.01 = 35,723.85/x
  3. Step 3: Cross multiply
    61,559.61x = 84,959.01 × 35,723.85
  4. Step 4: Simplify right side
    61,559.61x = 3,035,062,610.79
  5. Step 5: Solve for x
    x = 3,035,062,610.79/61,559.61
  6. Step 6: Final answer
    x = 49,302.83

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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.