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Finding the Fourth Proportional to 2,193.35, 3,290.04 and 732.51

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Solution

The fourth proportional to 2,193.35, 3,290.04 and 732.51 is: 1,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.35 : 3,290.04 = 732.51 : x
  2. Step 2: Convert to fraction form
    2,193.35/3,290.04 = 732.51/x
  3. Step 3: Cross multiply
    2,193.35x = 3,290.04 × 732.51
  4. Step 4: Simplify right side
    2,193.35x = 2,409,987.20
  5. Step 5: Solve for x
    x = 2,409,987.20/2,193.35
  6. Step 6: Final answer
    x = 1,098.77

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Double scale
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Similar ratio
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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.