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Finding the Fourth Proportional to 6,882.54, 10,310.04 and 5,317.08

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Solution

The fourth proportional to 6,882.54, 10,310.04 and 5,317.08 is: 7,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.54 : 10,310.04 = 5,317.08 : x
  2. Step 2: Convert to fraction form
    6,882.54/10,310.04 = 5,317.08/x
  3. Step 3: Cross multiply
    6,882.54x = 10,310.04 × 5,317.08
  4. Step 4: Simplify right side
    6,882.54x = 54,819,307.48
  5. Step 5: Solve for x
    x = 54,819,307.48/6,882.54
  6. Step 6: Final answer
    x = 7,964.98

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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.