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Finding the Fourth Proportional to 62,310.88, 85,989 and 34,016.56

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Solution

The fourth proportional to 62,310.88, 85,989 and 34,016.56 is: 46,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310.88 : 85,989 = 34,016.56 : x
  2. Step 2: Convert to fraction form
    62,310.88/85,989 = 34,016.56/x
  3. Step 3: Cross multiply
    62,310.88x = 85,989 × 34,016.56
  4. Step 4: Simplify right side
    62,310.88x = 2,925,049,977.84
  5. Step 5: Solve for x
    x = 2,925,049,977.84/62,310.88
  6. Step 6: Final answer
    x = 46,942.84

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1.5x scale

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.