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Finding the Fourth Proportional to 22,580.52, 33,894.90 and 19,112.88

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Solution

The fourth proportional to 22,580.52, 33,894.90 and 19,112.88 is: 28,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.52 : 33,894.90 = 19,112.88 : x
  2. Step 2: Convert to fraction form
    22,580.52/33,894.90 = 19,112.88/x
  3. Step 3: Cross multiply
    22,580.52x = 33,894.90 × 19,112.88
  4. Step 4: Simplify right side
    22,580.52x = 647,829,156.31
  5. Step 5: Solve for x
    x = 647,829,156.31/22,580.52
  6. Step 6: Final answer
    x = 28,689.74

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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.