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Finding the Fourth Proportional to 7,396.99, 11,061.79 and 5,524.19

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Solution

The fourth proportional to 7,396.99, 11,061.79 and 5,524.19 is: 8,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.99 : 11,061.79 = 5,524.19 : x
  2. Step 2: Convert to fraction form
    7,396.99/11,061.79 = 5,524.19/x
  3. Step 3: Cross multiply
    7,396.99x = 11,061.79 × 5,524.19
  4. Step 4: Simplify right side
    7,396.99x = 61,107,429.70
  5. Step 5: Solve for x
    x = 61,107,429.70/7,396.99
  6. Step 6: Final answer
    x = 8,261.12

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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.