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Finding the Fourth Proportional to 6,593.40, 9,890.10 and 1,663.42

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Solution

The fourth proportional to 6,593.40, 9,890.10 and 1,663.42 is: 2,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,593.40 : 9,890.10 = 1,663.42 : x
  2. Step 2: Convert to fraction form
    6,593.40/9,890.10 = 1,663.42/x
  3. Step 3: Cross multiply
    6,593.40x = 9,890.10 × 1,663.42
  4. Step 4: Simplify right side
    6,593.40x = 16,451,390.14
  5. Step 5: Solve for x
    x = 16,451,390.14/6,593.40
  6. Step 6: Final answer
    x = 2,495.13

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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.