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Finding the Fourth Proportional to 19,396.77, 29,095.17 and 6,249.12

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Solution

The fourth proportional to 19,396.77, 29,095.17 and 6,249.12 is: 9,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.77 : 29,095.17 = 6,249.12 : x
  2. Step 2: Convert to fraction form
    19,396.77/29,095.17 = 6,249.12/x
  3. Step 3: Cross multiply
    19,396.77x = 29,095.17 × 6,249.12
  4. Step 4: Simplify right side
    19,396.77x = 181,819,208.75
  5. Step 5: Solve for x
    x = 181,819,208.75/19,396.77
  6. Step 6: Final answer
    x = 9,373.68

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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.