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Finding the Fourth Proportional to 22,792.80, 34,187.28 and 7,208.16

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Solution

The fourth proportional to 22,792.80, 34,187.28 and 7,208.16 is: 10,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.80 : 34,187.28 = 7,208.16 : x
  2. Step 2: Convert to fraction form
    22,792.80/34,187.28 = 7,208.16/x
  3. Step 3: Cross multiply
    22,792.80x = 34,187.28 × 7,208.16
  4. Step 4: Simplify right side
    22,792.80x = 246,427,384.20
  5. Step 5: Solve for x
    x = 246,427,384.20/22,792.80
  6. Step 6: Final answer
    x = 10,811.63

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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.