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Finding the Fourth Proportional to 39,375.80, 59,063.70 and 9,793.40

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Solution

The fourth proportional to 39,375.80, 59,063.70 and 9,793.40 is: 14,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.80 : 59,063.70 = 9,793.40 : x
  2. Step 2: Convert to fraction form
    39,375.80/59,063.70 = 9,793.40/x
  3. Step 3: Cross multiply
    39,375.80x = 59,063.70 × 9,793.40
  4. Step 4: Simplify right side
    39,375.80x = 578,434,439.58
  5. Step 5: Solve for x
    x = 578,434,439.58/39,375.80
  6. Step 6: Final answer
    x = 14,690.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.