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Finding the Fourth Proportional to 7,103.88, 10,655.82 and 5,820.84

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Solution

The fourth proportional to 7,103.88, 10,655.82 and 5,820.84 is: 8,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.88 : 10,655.82 = 5,820.84 : x
  2. Step 2: Convert to fraction form
    7,103.88/10,655.82 = 5,820.84/x
  3. Step 3: Cross multiply
    7,103.88x = 10,655.82 × 5,820.84
  4. Step 4: Simplify right side
    7,103.88x = 62,025,823.29
  5. Step 5: Solve for x
    x = 62,025,823.29/7,103.88
  6. Step 6: Final answer
    x = 8,731.26

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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.