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Finding the Fourth Proportional to 10,882.78, 16,329.30 and 5,341.30

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Solution

The fourth proportional to 10,882.78, 16,329.30 and 5,341.30 is: 8,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.78 : 16,329.30 = 5,341.30 : x
  2. Step 2: Convert to fraction form
    10,882.78/16,329.30 = 5,341.30/x
  3. Step 3: Cross multiply
    10,882.78x = 16,329.30 × 5,341.30
  4. Step 4: Simplify right side
    10,882.78x = 87,219,690.09
  5. Step 5: Solve for x
    x = 87,219,690.09/10,882.78
  6. Step 6: Final answer
    x = 8,014.47

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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.