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Finding the Fourth Proportional to 22,487.77, 33,725.77 and 6,688.56

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Solution

The fourth proportional to 22,487.77, 33,725.77 and 6,688.56 is: 10,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.77 : 33,725.77 = 6,688.56 : x
  2. Step 2: Convert to fraction form
    22,487.77/33,725.77 = 6,688.56/x
  3. Step 3: Cross multiply
    22,487.77x = 33,725.77 × 6,688.56
  4. Step 4: Simplify right side
    22,487.77x = 225,576,836.19
  5. Step 5: Solve for x
    x = 225,576,836.19/22,487.77
  6. Step 6: Final answer
    x = 10,031.09

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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.