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Finding the Fourth Proportional to 1,758.88, 2,422.02 and 1,260.64

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Solution

The fourth proportional to 1,758.88, 2,422.02 and 1,260.64 is: 1,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.88 : 2,422.02 = 1,260.64 : x
  2. Step 2: Convert to fraction form
    1,758.88/2,422.02 = 1,260.64/x
  3. Step 3: Cross multiply
    1,758.88x = 2,422.02 × 1,260.64
  4. Step 4: Simplify right side
    1,758.88x = 3,053,295.29
  5. Step 5: Solve for x
    x = 3,053,295.29/1,758.88
  6. Step 6: Final answer
    x = 1,735.93

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Why These Related Problems?

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