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Finding the Fourth Proportional to 22,417.26, 30,936.03 and 12,346.01

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Solution

The fourth proportional to 22,417.26, 30,936.03 and 12,346.01 is: 17,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.26 : 30,936.03 = 12,346.01 : x
  2. Step 2: Convert to fraction form
    22,417.26/30,936.03 = 12,346.01/x
  3. Step 3: Cross multiply
    22,417.26x = 30,936.03 × 12,346.01
  4. Step 4: Simplify right side
    22,417.26x = 381,936,535.74
  5. Step 5: Solve for x
    x = 381,936,535.74/22,417.26
  6. Step 6: Final answer
    x = 17,037.61

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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.