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Finding the Fourth Proportional to 62,143.38, 85,737.41 and 36,295.99

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Solution

The fourth proportional to 62,143.38, 85,737.41 and 36,295.99 is: 50,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.38 : 85,737.41 = 36,295.99 : x
  2. Step 2: Convert to fraction form
    62,143.38/85,737.41 = 36,295.99/x
  3. Step 3: Cross multiply
    62,143.38x = 85,737.41 × 36,295.99
  4. Step 4: Simplify right side
    62,143.38x = 3,111,924,175.99
  5. Step 5: Solve for x
    x = 3,111,924,175.99/62,143.38
  6. Step 6: Final answer
    x = 50,076.52

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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.