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Finding the Fourth Proportional to 68,473.20, 94,492.80 and 38,258.58

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Solution

The fourth proportional to 68,473.20, 94,492.80 and 38,258.58 is: 52,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,473.20 : 94,492.80 = 38,258.58 : x
  2. Step 2: Convert to fraction form
    68,473.20/94,492.80 = 38,258.58/x
  3. Step 3: Cross multiply
    68,473.20x = 94,492.80 × 38,258.58
  4. Step 4: Simplify right side
    68,473.20x = 3,615,160,348.22
  5. Step 5: Solve for x
    x = 3,615,160,348.22/68,473.20
  6. Step 6: Final answer
    x = 52,796.72

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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.