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Finding the Fourth Proportional to 22,009.00, 30,373.11 and 12,448.70

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Solution

The fourth proportional to 22,009.00, 30,373.11 and 12,448.70 is: 17,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.00 : 30,373.11 = 12,448.70 : x
  2. Step 2: Convert to fraction form
    22,009.00/30,373.11 = 12,448.70/x
  3. Step 3: Cross multiply
    22,009.00x = 30,373.11 × 12,448.70
  4. Step 4: Simplify right side
    22,009.00x = 378,105,672.21
  5. Step 5: Solve for x
    x = 378,105,672.21/22,009.00
  6. Step 6: Final answer
    x = 17,179.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.