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Finding the Fourth Proportional to 1,168.35, 1,744.96 and 1,058.45

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Solution

The fourth proportional to 1,168.35, 1,744.96 and 1,058.45 is: 1,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.35 : 1,744.96 = 1,058.45 : x
  2. Step 2: Convert to fraction form
    1,168.35/1,744.96 = 1,058.45/x
  3. Step 3: Cross multiply
    1,168.35x = 1,744.96 × 1,058.45
  4. Step 4: Simplify right side
    1,168.35x = 1,846,945.90
  5. Step 5: Solve for x
    x = 1,846,945.90/1,168.35
  6. Step 6: Final answer
    x = 1,580.81

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1.5x scale

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.