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Finding the Fourth Proportional to 1,754.51, 2,630.97 and 932.60

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Solution

The fourth proportional to 1,754.51, 2,630.97 and 932.60 is: 1,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.51 : 2,630.97 = 932.60 : x
  2. Step 2: Convert to fraction form
    1,754.51/2,630.97 = 932.60/x
  3. Step 3: Cross multiply
    1,754.51x = 2,630.97 × 932.60
  4. Step 4: Simplify right side
    1,754.51x = 2,453,629.47
  5. Step 5: Solve for x
    x = 2,453,629.47/1,754.51
  6. Step 6: Final answer
    x = 1,398.47

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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.