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Finding the Fourth Proportional to 7,098.72, 10,649.86 and 2,716.52

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Solution

The fourth proportional to 7,098.72, 10,649.86 and 2,716.52 is: 4,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.72 : 10,649.86 = 2,716.52 : x
  2. Step 2: Convert to fraction form
    7,098.72/10,649.86 = 2,716.52/x
  3. Step 3: Cross multiply
    7,098.72x = 10,649.86 × 2,716.52
  4. Step 4: Simplify right side
    7,098.72x = 28,930,557.69
  5. Step 5: Solve for x
    x = 28,930,557.69/7,098.72
  6. Step 6: Final answer
    x = 4,075.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.