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Finding the Fourth Proportional to 8,882.62, 13,303.20 and 7,021.24

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Solution

The fourth proportional to 8,882.62, 13,303.20 and 7,021.24 is: 10,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.62 : 13,303.20 = 7,021.24 : x
  2. Step 2: Convert to fraction form
    8,882.62/13,303.20 = 7,021.24/x
  3. Step 3: Cross multiply
    8,882.62x = 13,303.20 × 7,021.24
  4. Step 4: Simplify right side
    8,882.62x = 93,404,959.97
  5. Step 5: Solve for x
    x = 93,404,959.97/8,882.62
  6. Step 6: Final answer
    x = 10,515.47

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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.