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Finding the Fourth Proportional to 9,663.18, 14,494.77 and 6,396.99

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Solution

The fourth proportional to 9,663.18, 14,494.77 and 6,396.99 is: 9,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.18 : 14,494.77 = 6,396.99 : x
  2. Step 2: Convert to fraction form
    9,663.18/14,494.77 = 6,396.99/x
  3. Step 3: Cross multiply
    9,663.18x = 14,494.77 × 6,396.99
  4. Step 4: Simplify right side
    9,663.18x = 92,722,898.74
  5. Step 5: Solve for x
    x = 92,722,898.74/9,663.18
  6. Step 6: Final answer
    x = 9,595.49

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Half scale
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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.