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Finding the Fourth Proportional to 60,174.77, 83,079 and 38,674.13

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Solution

The fourth proportional to 60,174.77, 83,079 and 38,674.13 is: 53,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,174.77 : 83,079 = 38,674.13 : x
  2. Step 2: Convert to fraction form
    60,174.77/83,079 = 38,674.13/x
  3. Step 3: Cross multiply
    60,174.77x = 83,079 × 38,674.13
  4. Step 4: Simplify right side
    60,174.77x = 3,213,008,046.27
  5. Step 5: Solve for x
    x = 3,213,008,046.27/60,174.77
  6. Step 6: Final answer
    x = 53,394.60

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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.