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Finding the Fourth Proportional to 6,763.08, 10,154.04 and 3,478.56

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Solution

The fourth proportional to 6,763.08, 10,154.04 and 3,478.56 is: 5,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.08 : 10,154.04 = 3,478.56 : x
  2. Step 2: Convert to fraction form
    6,763.08/10,154.04 = 3,478.56/x
  3. Step 3: Cross multiply
    6,763.08x = 10,154.04 × 3,478.56
  4. Step 4: Simplify right side
    6,763.08x = 35,321,437.38
  5. Step 5: Solve for x
    x = 35,321,437.38/6,763.08
  6. Step 6: Final answer
    x = 5,222.69

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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.