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Finding the Fourth Proportional to 68,470.88, 94,480.41 and 38,252.42

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Solution

The fourth proportional to 68,470.88, 94,480.41 and 38,252.42 is: 52,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,470.88 : 94,480.41 = 38,252.42 : x
  2. Step 2: Convert to fraction form
    68,470.88/94,480.41 = 38,252.42/x
  3. Step 3: Cross multiply
    68,470.88x = 94,480.41 × 38,252.42
  4. Step 4: Simplify right side
    68,470.88x = 3,614,104,325.09
  5. Step 5: Solve for x
    x = 3,614,104,325.09/68,470.88
  6. Step 6: Final answer
    x = 52,783.09

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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.