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Finding the Fourth Proportional to 61,394.76, 84,718.83 and 34,546.56

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Solution

The fourth proportional to 61,394.76, 84,718.83 and 34,546.56 is: 47,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.76 : 84,718.83 = 34,546.56 : x
  2. Step 2: Convert to fraction form
    61,394.76/84,718.83 = 34,546.56/x
  3. Step 3: Cross multiply
    61,394.76x = 84,718.83 × 34,546.56
  4. Step 4: Simplify right side
    61,394.76x = 2,926,744,143.72
  5. Step 5: Solve for x
    x = 2,926,744,143.72/61,394.76
  6. Step 6: Final answer
    x = 47,670.91

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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.