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Finding the Fourth Proportional to 3,523.97, 5,285.96 and 1,058.99

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Solution

The fourth proportional to 3,523.97, 5,285.96 and 1,058.99 is: 1,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.97 : 5,285.96 = 1,058.99 : x
  2. Step 2: Convert to fraction form
    3,523.97/5,285.96 = 1,058.99/x
  3. Step 3: Cross multiply
    3,523.97x = 5,285.96 × 1,058.99
  4. Step 4: Simplify right side
    3,523.97x = 5,597,761.81
  5. Step 5: Solve for x
    x = 5,597,761.81/3,523.97
  6. Step 6: Final answer
    x = 1,588.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.