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Finding the Fourth Proportional to 22,200.99, 33,301.76 and 7,409.91

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Solution

The fourth proportional to 22,200.99, 33,301.76 and 7,409.91 is: 11,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.99 : 33,301.76 = 7,409.91 : x
  2. Step 2: Convert to fraction form
    22,200.99/33,301.76 = 7,409.91/x
  3. Step 3: Cross multiply
    22,200.99x = 33,301.76 × 7,409.91
  4. Step 4: Simplify right side
    22,200.99x = 246,762,872.13
  5. Step 5: Solve for x
    x = 246,762,872.13/22,200.99
  6. Step 6: Final answer
    x = 11,114.95

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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.