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Finding the Fourth Proportional to 1,753.68, 2,626.68 and 1,068.24

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Solution

The fourth proportional to 1,753.68, 2,626.68 and 1,068.24 is: 1,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.68 : 2,626.68 = 1,068.24 : x
  2. Step 2: Convert to fraction form
    1,753.68/2,626.68 = 1,068.24/x
  3. Step 3: Cross multiply
    1,753.68x = 2,626.68 × 1,068.24
  4. Step 4: Simplify right side
    1,753.68x = 2,805,924.64
  5. Step 5: Solve for x
    x = 2,805,924.64/1,753.68
  6. Step 6: Final answer
    x = 1,600.02

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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.