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Finding the Fourth Proportional to 62,201.94, 85,838.55 and 34,978.12

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Solution

The fourth proportional to 62,201.94, 85,838.55 and 34,978.12 is: 48,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,201.94 : 85,838.55 = 34,978.12 : x
  2. Step 2: Convert to fraction form
    62,201.94/85,838.55 = 34,978.12/x
  3. Step 3: Cross multiply
    62,201.94x = 85,838.55 × 34,978.12
  4. Step 4: Simplify right side
    62,201.94x = 3,002,471,102.53
  5. Step 5: Solve for x
    x = 3,002,471,102.53/62,201.94
  6. Step 6: Final answer
    x = 48,269.73

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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.