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Finding the Fourth Proportional to 7,661.93, 11,493.50 and 2,396.79

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Solution

The fourth proportional to 7,661.93, 11,493.50 and 2,396.79 is: 3,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.93 : 11,493.50 = 2,396.79 : x
  2. Step 2: Convert to fraction form
    7,661.93/11,493.50 = 2,396.79/x
  3. Step 3: Cross multiply
    7,661.93x = 11,493.50 × 2,396.79
  4. Step 4: Simplify right side
    7,661.93x = 27,547,493.88
  5. Step 5: Solve for x
    x = 27,547,493.88/7,661.93
  6. Step 6: Final answer
    x = 3,595.38

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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.