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Finding the Fourth Proportional to 68,588.60, 94,656.66 and 38,377.40

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Solution

The fourth proportional to 68,588.60, 94,656.66 and 38,377.40 is: 52,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588.60 : 94,656.66 = 38,377.40 : x
  2. Step 2: Convert to fraction form
    68,588.60/94,656.66 = 38,377.40/x
  3. Step 3: Cross multiply
    68,588.60x = 94,656.66 × 38,377.40
  4. Step 4: Simplify right side
    68,588.60x = 3,632,676,503.48
  5. Step 5: Solve for x
    x = 3,632,676,503.48/68,588.60
  6. Step 6: Final answer
    x = 52,963.27

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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.