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Finding the Fourth Proportional to 10,895.52, 16,343.52 and 4,324.80

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Solution

The fourth proportional to 10,895.52, 16,343.52 and 4,324.80 is: 6,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.52 : 16,343.52 = 4,324.80 : x
  2. Step 2: Convert to fraction form
    10,895.52/16,343.52 = 4,324.80/x
  3. Step 3: Cross multiply
    10,895.52x = 16,343.52 × 4,324.80
  4. Step 4: Simplify right side
    10,895.52x = 70,682,455.30
  5. Step 5: Solve for x
    x = 70,682,455.30/10,895.52
  6. Step 6: Final answer
    x = 6,487.30

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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.