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Finding the Fourth Proportional to 59,794.80, 82,480.84 and 38,289.20

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Solution

The fourth proportional to 59,794.80, 82,480.84 and 38,289.20 is: 52,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794.80 : 82,480.84 = 38,289.20 : x
  2. Step 2: Convert to fraction form
    59,794.80/82,480.84 = 38,289.20/x
  3. Step 3: Cross multiply
    59,794.80x = 82,480.84 × 38,289.20
  4. Step 4: Simplify right side
    59,794.80x = 3,158,125,378.93
  5. Step 5: Solve for x
    x = 3,158,125,378.93/59,794.80
  6. Step 6: Final answer
    x = 52,816.05

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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.