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Finding the Fourth Proportional to 10,504.20, 15,757.20 and 3,482.70

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Solution

The fourth proportional to 10,504.20, 15,757.20 and 3,482.70 is: 5,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.20 : 15,757.20 = 3,482.70 : x
  2. Step 2: Convert to fraction form
    10,504.20/15,757.20 = 3,482.70/x
  3. Step 3: Cross multiply
    10,504.20x = 15,757.20 × 3,482.70
  4. Step 4: Simplify right side
    10,504.20x = 54,877,600.44
  5. Step 5: Solve for x
    x = 54,877,600.44/10,504.20
  6. Step 6: Final answer
    x = 5,224.35

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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.