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Finding the Fourth Proportional to 22,772.76, 34,160.76 and 7,190.25

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Solution

The fourth proportional to 22,772.76, 34,160.76 and 7,190.25 is: 10,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.76 : 34,160.76 = 7,190.25 : x
  2. Step 2: Convert to fraction form
    22,772.76/34,160.76 = 7,190.25/x
  3. Step 3: Cross multiply
    22,772.76x = 34,160.76 × 7,190.25
  4. Step 4: Simplify right side
    22,772.76x = 245,624,404.59
  5. Step 5: Solve for x
    x = 245,624,404.59/22,772.76
  6. Step 6: Final answer
    x = 10,785.89

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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.