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Finding the Fourth Proportional to 1,482.54, 2,044.89 and 1,040.28

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Solution

The fourth proportional to 1,482.54, 2,044.89 and 1,040.28 is: 1,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.54 : 2,044.89 = 1,040.28 : x
  2. Step 2: Convert to fraction form
    1,482.54/2,044.89 = 1,040.28/x
  3. Step 3: Cross multiply
    1,482.54x = 2,044.89 × 1,040.28
  4. Step 4: Simplify right side
    1,482.54x = 2,127,258.17
  5. Step 5: Solve for x
    x = 2,127,258.17/1,482.54
  6. Step 6: Final answer
    x = 1,434.87

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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.