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Finding the Fourth Proportional to 22,600.74, 33,900.84 and 10,905.69

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Solution

The fourth proportional to 22,600.74, 33,900.84 and 10,905.69 is: 16,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.74 : 33,900.84 = 10,905.69 : x
  2. Step 2: Convert to fraction form
    22,600.74/33,900.84 = 10,905.69/x
  3. Step 3: Cross multiply
    22,600.74x = 33,900.84 × 10,905.69
  4. Step 4: Simplify right side
    22,600.74x = 369,712,051.78
  5. Step 5: Solve for x
    x = 369,712,051.78/22,600.74
  6. Step 6: Final answer
    x = 16,358.40

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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.