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Finding the Fourth Proportional to 67,379.58, 92,983.65 and 38,701.13

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Solution

The fourth proportional to 67,379.58, 92,983.65 and 38,701.13 is: 53,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379.58 : 92,983.65 = 38,701.13 : x
  2. Step 2: Convert to fraction form
    67,379.58/92,983.65 = 38,701.13/x
  3. Step 3: Cross multiply
    67,379.58x = 92,983.65 × 38,701.13
  4. Step 4: Simplify right side
    67,379.58x = 3,598,571,716.48
  5. Step 5: Solve for x
    x = 3,598,571,716.48/67,379.58
  6. Step 6: Final answer
    x = 53,407.45

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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.