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Finding the Fourth Proportional to 7,041.61, 10,559.22 and 2,655.96

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Solution

The fourth proportional to 7,041.61, 10,559.22 and 2,655.96 is: 3,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.61 : 10,559.22 = 2,655.96 : x
  2. Step 2: Convert to fraction form
    7,041.61/10,559.22 = 2,655.96/x
  3. Step 3: Cross multiply
    7,041.61x = 10,559.22 × 2,655.96
  4. Step 4: Simplify right side
    7,041.61x = 28,044,865.95
  5. Step 5: Solve for x
    x = 28,044,865.95/7,041.61
  6. Step 6: Final answer
    x = 3,982.73

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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.