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Finding the Fourth Proportional to 22,068.43, 33,101.87 and 7,276.95

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Solution

The fourth proportional to 22,068.43, 33,101.87 and 7,276.95 is: 10,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.43 : 33,101.87 = 7,276.95 : x
  2. Step 2: Convert to fraction form
    22,068.43/33,101.87 = 7,276.95/x
  3. Step 3: Cross multiply
    22,068.43x = 33,101.87 × 7,276.95
  4. Step 4: Simplify right side
    22,068.43x = 240,880,616.51
  5. Step 5: Solve for x
    x = 240,880,616.51/22,068.43
  6. Step 6: Final answer
    x = 10,915.17

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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.