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Finding the Fourth Proportional to 68,801.28, 103,212.21 and 24,424.32

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Solution

The fourth proportional to 68,801.28, 103,212.21 and 24,424.32 is: 36,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801.28 : 103,212.21 = 24,424.32 : x
  2. Step 2: Convert to fraction form
    68,801.28/103,212.21 = 24,424.32/x
  3. Step 3: Cross multiply
    68,801.28x = 103,212.21 × 24,424.32
  4. Step 4: Simplify right side
    68,801.28x = 2,520,888,044.95
  5. Step 5: Solve for x
    x = 2,520,888,044.95/68,801.28
  6. Step 6: Final answer
    x = 36,640.13

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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.