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Finding the Fourth Proportional to 68,476.73, 94,491.74 and 38,257.86

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Solution

The fourth proportional to 68,476.73, 94,491.74 and 38,257.86 is: 52,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476.73 : 94,491.74 = 38,257.86 : x
  2. Step 2: Convert to fraction form
    68,476.73/94,491.74 = 38,257.86/x
  3. Step 3: Cross multiply
    68,476.73x = 94,491.74 × 38,257.86
  4. Step 4: Simplify right side
    68,476.73x = 3,615,051,760.08
  5. Step 5: Solve for x
    x = 3,615,051,760.08/68,476.73
  6. Step 6: Final answer
    x = 52,792.41

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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.