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Finding the Fourth Proportional to 61,416.77, 84,754.98 and 34,559.33

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Solution

The fourth proportional to 61,416.77, 84,754.98 and 34,559.33 is: 47,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,416.77 : 84,754.98 = 34,559.33 : x
  2. Step 2: Convert to fraction form
    61,416.77/84,754.98 = 34,559.33/x
  3. Step 3: Cross multiply
    61,416.77x = 84,754.98 × 34,559.33
  4. Step 4: Simplify right side
    61,416.77x = 2,929,074,899.19
  5. Step 5: Solve for x
    x = 2,929,074,899.19/61,416.77
  6. Step 6: Final answer
    x = 47,691.78

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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.