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Finding the Fourth Proportional to 1,363.95, 1,883.30 and 1,048.73

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Solution

The fourth proportional to 1,363.95, 1,883.30 and 1,048.73 is: 1,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.95 : 1,883.30 = 1,048.73 : x
  2. Step 2: Convert to fraction form
    1,363.95/1,883.30 = 1,048.73/x
  3. Step 3: Cross multiply
    1,363.95x = 1,883.30 × 1,048.73
  4. Step 4: Simplify right side
    1,363.95x = 1,975,058.55
  5. Step 5: Solve for x
    x = 1,975,058.55/1,363.95
  6. Step 6: Final answer
    x = 1,448.04

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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.