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Finding the Fourth Proportional to 61,737.60, 85,211.82 and 34,895.64

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Solution

The fourth proportional to 61,737.60, 85,211.82 and 34,895.64 is: 48,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.60 : 85,211.82 = 34,895.64 : x
  2. Step 2: Convert to fraction form
    61,737.60/85,211.82 = 34,895.64/x
  3. Step 3: Cross multiply
    61,737.60x = 85,211.82 × 34,895.64
  4. Step 4: Simplify right side
    61,737.60x = 2,973,520,994.46
  5. Step 5: Solve for x
    x = 2,973,520,994.46/61,737.60
  6. Step 6: Final answer
    x = 48,163.86

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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.