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Finding the Fourth Proportional to 9,326.93, 13,990.43 and 2,663.39

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Solution

The fourth proportional to 9,326.93, 13,990.43 and 2,663.39 is: 3,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.93 : 13,990.43 = 2,663.39 : x
  2. Step 2: Convert to fraction form
    9,326.93/13,990.43 = 2,663.39/x
  3. Step 3: Cross multiply
    9,326.93x = 13,990.43 × 2,663.39
  4. Step 4: Simplify right side
    9,326.93x = 37,262,012.99
  5. Step 5: Solve for x
    x = 37,262,012.99/9,326.93
  6. Step 6: Final answer
    x = 3,995.10

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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.