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Finding the Fourth Proportional to 60,612.36, 83,648.42 and 36,420.73

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Solution

The fourth proportional to 60,612.36, 83,648.42 and 36,420.73 is: 50,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.36 : 83,648.42 = 36,420.73 : x
  2. Step 2: Convert to fraction form
    60,612.36/83,648.42 = 36,420.73/x
  3. Step 3: Cross multiply
    60,612.36x = 83,648.42 × 36,420.73
  4. Step 4: Simplify right side
    60,612.36x = 3,046,536,249.90
  5. Step 5: Solve for x
    x = 3,046,536,249.90/60,612.36
  6. Step 6: Final answer
    x = 50,262.62

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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.