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Finding the Fourth Proportional to 10,750.68, 16,129.44 and 4,832.68

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Solution

The fourth proportional to 10,750.68, 16,129.44 and 4,832.68 is: 7,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.68 : 16,129.44 = 4,832.68 : x
  2. Step 2: Convert to fraction form
    10,750.68/16,129.44 = 4,832.68/x
  3. Step 3: Cross multiply
    10,750.68x = 16,129.44 × 4,832.68
  4. Step 4: Simplify right side
    10,750.68x = 77,948,422.10
  5. Step 5: Solve for x
    x = 77,948,422.10/10,750.68
  6. Step 6: Final answer
    x = 7,250.56

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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.