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Finding the Fourth Proportional to 9,398.81, 14,105.04 and 7,571.99

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Solution

The fourth proportional to 9,398.81, 14,105.04 and 7,571.99 is: 11,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.81 : 14,105.04 = 7,571.99 : x
  2. Step 2: Convert to fraction form
    9,398.81/14,105.04 = 7,571.99/x
  3. Step 3: Cross multiply
    9,398.81x = 14,105.04 × 7,571.99
  4. Step 4: Simplify right side
    9,398.81x = 106,803,221.83
  5. Step 5: Solve for x
    x = 106,803,221.83/9,398.81
  6. Step 6: Final answer
    x = 11,363.48

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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.