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Finding the Fourth Proportional to 2,567.88, 3,543.46 and 1,519.76

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Solution

The fourth proportional to 2,567.88, 3,543.46 and 1,519.76 is: 2,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.88 : 3,543.46 = 1,519.76 : x
  2. Step 2: Convert to fraction form
    2,567.88/3,543.46 = 1,519.76/x
  3. Step 3: Cross multiply
    2,567.88x = 3,543.46 × 1,519.76
  4. Step 4: Simplify right side
    2,567.88x = 5,385,208.77
  5. Step 5: Solve for x
    x = 5,385,208.77/2,567.88
  6. Step 6: Final answer
    x = 2,097.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.