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Finding the Fourth Proportional to 34,272, 47,295.36 and 22,355.55

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Solution

The fourth proportional to 34,272, 47,295.36 and 22,355.55 is: 30,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272 : 47,295.36 = 22,355.55 : x
  2. Step 2: Convert to fraction form
    34,272/47,295.36 = 22,355.55/x
  3. Step 3: Cross multiply
    34,272x = 47,295.36 × 22,355.55
  4. Step 4: Simplify right side
    34,272x = 1,057,313,785.25
  5. Step 5: Solve for x
    x = 1,057,313,785.25/34,272
  6. Step 6: Final answer
    x = 30,850.66

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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.