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Finding the Fourth Proportional to 61,656.87, 85,082.46 and 34,795.73

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Solution

The fourth proportional to 61,656.87, 85,082.46 and 34,795.73 is: 48,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,656.87 : 85,082.46 = 34,795.73 : x
  2. Step 2: Convert to fraction form
    61,656.87/85,082.46 = 34,795.73/x
  3. Step 3: Cross multiply
    61,656.87x = 85,082.46 × 34,795.73
  4. Step 4: Simplify right side
    61,656.87x = 2,960,506,154.19
  5. Step 5: Solve for x
    x = 2,960,506,154.19/61,656.87
  6. Step 6: Final answer
    x = 48,015.84

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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.