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Finding the Fourth Proportional to 22,409.91, 33,599.13 and 9,923.16

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Solution

The fourth proportional to 22,409.91, 33,599.13 and 9,923.16 is: 14,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.91 : 33,599.13 = 9,923.16 : x
  2. Step 2: Convert to fraction form
    22,409.91/33,599.13 = 9,923.16/x
  3. Step 3: Cross multiply
    22,409.91x = 33,599.13 × 9,923.16
  4. Step 4: Simplify right side
    22,409.91x = 333,409,542.85
  5. Step 5: Solve for x
    x = 333,409,542.85/22,409.91
  6. Step 6: Final answer
    x = 14,877.77

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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.