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Finding the Fourth Proportional to 11,508.99, 17,235.79 and 7,799.96

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Solution

The fourth proportional to 11,508.99, 17,235.79 and 7,799.96 is: 11,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.99 : 17,235.79 = 7,799.96 : x
  2. Step 2: Convert to fraction form
    11,508.99/17,235.79 = 7,799.96/x
  3. Step 3: Cross multiply
    11,508.99x = 17,235.79 × 7,799.96
  4. Step 4: Simplify right side
    11,508.99x = 134,438,496.16
  5. Step 5: Solve for x
    x = 134,438,496.16/11,508.99
  6. Step 6: Final answer
    x = 11,681.18

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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.