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Finding the Fourth Proportional to 1,560.44, 2,340.96 and 716.62

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Solution

The fourth proportional to 1,560.44, 2,340.96 and 716.62 is: 1,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.44 : 2,340.96 = 716.62 : x
  2. Step 2: Convert to fraction form
    1,560.44/2,340.96 = 716.62/x
  3. Step 3: Cross multiply
    1,560.44x = 2,340.96 × 716.62
  4. Step 4: Simplify right side
    1,560.44x = 1,677,578.76
  5. Step 5: Solve for x
    x = 1,677,578.76/1,560.44
  6. Step 6: Final answer
    x = 1,075.07

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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.