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Finding the Fourth Proportional to 1,246.41, 1,876.11 and 1,058.49

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Solution

The fourth proportional to 1,246.41, 1,876.11 and 1,058.49 is: 1,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.41 : 1,876.11 = 1,058.49 : x
  2. Step 2: Convert to fraction form
    1,246.41/1,876.11 = 1,058.49/x
  3. Step 3: Cross multiply
    1,246.41x = 1,876.11 × 1,058.49
  4. Step 4: Simplify right side
    1,246.41x = 1,985,843.67
  5. Step 5: Solve for x
    x = 1,985,843.67/1,246.41
  6. Step 6: Final answer
    x = 1,593.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.