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Finding the Fourth Proportional to 7,175.56, 10,762.08 and 3,279.04

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Solution

The fourth proportional to 7,175.56, 10,762.08 and 3,279.04 is: 4,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.56 : 10,762.08 = 3,279.04 : x
  2. Step 2: Convert to fraction form
    7,175.56/10,762.08 = 3,279.04/x
  3. Step 3: Cross multiply
    7,175.56x = 10,762.08 × 3,279.04
  4. Step 4: Simplify right side
    7,175.56x = 35,289,290.80
  5. Step 5: Solve for x
    x = 35,289,290.80/7,175.56
  6. Step 6: Final answer
    x = 4,917.98

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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.