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Finding the Fourth Proportional to 9,000.99, 13,489.74 and 4,836.17

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Solution

The fourth proportional to 9,000.99, 13,489.74 and 4,836.17 is: 7,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.99 : 13,489.74 = 4,836.17 : x
  2. Step 2: Convert to fraction form
    9,000.99/13,489.74 = 4,836.17/x
  3. Step 3: Cross multiply
    9,000.99x = 13,489.74 × 4,836.17
  4. Step 4: Simplify right side
    9,000.99x = 65,238,709.62
  5. Step 5: Solve for x
    x = 65,238,709.62/9,000.99
  6. Step 6: Final answer
    x = 7,247.95

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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.