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Finding the Fourth Proportional to 7,953.52, 11,930.28 and 2,759.38

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Solution

The fourth proportional to 7,953.52, 11,930.28 and 2,759.38 is: 4,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.52 : 11,930.28 = 2,759.38 : x
  2. Step 2: Convert to fraction form
    7,953.52/11,930.28 = 2,759.38/x
  3. Step 3: Cross multiply
    7,953.52x = 11,930.28 × 2,759.38
  4. Step 4: Simplify right side
    7,953.52x = 32,920,176.03
  5. Step 5: Solve for x
    x = 32,920,176.03/7,953.52
  6. Step 6: Final answer
    x = 4,139.07

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Similar ratio
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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.