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Finding the Fourth Proportional to 7,135.88, 10,701.12 and 3,437.24

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Solution

The fourth proportional to 7,135.88, 10,701.12 and 3,437.24 is: 5,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.88 : 10,701.12 = 3,437.24 : x
  2. Step 2: Convert to fraction form
    7,135.88/10,701.12 = 3,437.24/x
  3. Step 3: Cross multiply
    7,135.88x = 10,701.12 × 3,437.24
  4. Step 4: Simplify right side
    7,135.88x = 36,782,317.71
  5. Step 5: Solve for x
    x = 36,782,317.71/7,135.88
  6. Step 6: Final answer
    x = 5,154.56

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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.