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Finding the Fourth Proportional to 27,704.80, 41,557.20 and 6,928.30

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Solution

The fourth proportional to 27,704.80, 41,557.20 and 6,928.30 is: 10,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.80 : 41,557.20 = 6,928.30 : x
  2. Step 2: Convert to fraction form
    27,704.80/41,557.20 = 6,928.30/x
  3. Step 3: Cross multiply
    27,704.80x = 41,557.20 × 6,928.30
  4. Step 4: Simplify right side
    27,704.80x = 287,920,748.76
  5. Step 5: Solve for x
    x = 287,920,748.76/27,704.80
  6. Step 6: Final answer
    x = 10,392.45

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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.