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Finding the Fourth Proportional to 1,959.18, 2,925 and 1,494.48

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Solution

The fourth proportional to 1,959.18, 2,925 and 1,494.48 is: 2,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.18 : 2,925 = 1,494.48 : x
  2. Step 2: Convert to fraction form
    1,959.18/2,925 = 1,494.48/x
  3. Step 3: Cross multiply
    1,959.18x = 2,925 × 1,494.48
  4. Step 4: Simplify right side
    1,959.18x = 4,371,354
  5. Step 5: Solve for x
    x = 4,371,354/1,959.18
  6. Step 6: Final answer
    x = 2,231.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.