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Finding the Fourth Proportional to 15,679.99, 23,524.08 and 9,099.85

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Solution

The fourth proportional to 15,679.99, 23,524.08 and 9,099.85 is: 13,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.99 : 23,524.08 = 9,099.85 : x
  2. Step 2: Convert to fraction form
    15,679.99/23,524.08 = 9,099.85/x
  3. Step 3: Cross multiply
    15,679.99x = 23,524.08 × 9,099.85
  4. Step 4: Simplify right side
    15,679.99x = 214,065,553.89
  5. Step 5: Solve for x
    x = 214,065,553.89/15,679.99
  6. Step 6: Final answer
    x = 13,652.15

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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.