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Finding the Fourth Proportional to 1,943.69, 2,675.72 and 1,756.62

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Solution

The fourth proportional to 1,943.69, 2,675.72 and 1,756.62 is: 2,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.69 : 2,675.72 = 1,756.62 : x
  2. Step 2: Convert to fraction form
    1,943.69/2,675.72 = 1,756.62/x
  3. Step 3: Cross multiply
    1,943.69x = 2,675.72 × 1,756.62
  4. Step 4: Simplify right side
    1,943.69x = 4,700,227.66
  5. Step 5: Solve for x
    x = 4,700,227.66/1,943.69
  6. Step 6: Final answer
    x = 2,418.20

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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.