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Finding the Fourth Proportional to 67,480.88, 93,104.83 and 38,798.96

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Solution

The fourth proportional to 67,480.88, 93,104.83 and 38,798.96 is: 53,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.88 : 93,104.83 = 38,798.96 : x
  2. Step 2: Convert to fraction form
    67,480.88/93,104.83 = 38,798.96/x
  3. Step 3: Cross multiply
    67,480.88x = 93,104.83 × 38,798.96
  4. Step 4: Simplify right side
    67,480.88x = 3,612,370,574.98
  5. Step 5: Solve for x
    x = 3,612,370,574.98/67,480.88
  6. Step 6: Final answer
    x = 53,531.76

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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.