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Finding the Fourth Proportional to 61,366.62, 84,685.40 and 34,508.55

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Solution

The fourth proportional to 61,366.62, 84,685.40 and 34,508.55 is: 47,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.62 : 84,685.40 = 34,508.55 : x
  2. Step 2: Convert to fraction form
    61,366.62/84,685.40 = 34,508.55/x
  3. Step 3: Cross multiply
    61,366.62x = 84,685.40 × 34,508.55
  4. Step 4: Simplify right side
    61,366.62x = 2,922,370,187.63
  5. Step 5: Solve for x
    x = 2,922,370,187.63/61,366.62
  6. Step 6: Final answer
    x = 47,621.50

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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.