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Finding the Fourth Proportional to 10,750.99, 16,127.52 and 4,177.69

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Solution

The fourth proportional to 10,750.99, 16,127.52 and 4,177.69 is: 6,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.99 : 16,127.52 = 4,177.69 : x
  2. Step 2: Convert to fraction form
    10,750.99/16,127.52 = 4,177.69/x
  3. Step 3: Cross multiply
    10,750.99x = 16,127.52 × 4,177.69
  4. Step 4: Simplify right side
    10,750.99x = 67,375,779.03
  5. Step 5: Solve for x
    x = 67,375,779.03/10,750.99
  6. Step 6: Final answer
    x = 6,266.94

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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.