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Finding the Fourth Proportional to 22,340.00, 30,829.23 and 12,269.09

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Solution

The fourth proportional to 22,340.00, 30,829.23 and 12,269.09 is: 16,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.00 : 30,829.23 = 12,269.09 : x
  2. Step 2: Convert to fraction form
    22,340.00/30,829.23 = 12,269.09/x
  3. Step 3: Cross multiply
    22,340.00x = 30,829.23 × 12,269.09
  4. Step 4: Simplify right side
    22,340.00x = 378,246,443.35
  5. Step 5: Solve for x
    x = 378,246,443.35/22,340.00
  6. Step 6: Final answer
    x = 16,931.36

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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.