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Finding the Fourth Proportional to 68,051.79, 93,913.64 and 37,838.39

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Solution

The fourth proportional to 68,051.79, 93,913.64 and 37,838.39 is: 52,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,051.79 : 93,913.64 = 37,838.39 : x
  2. Step 2: Convert to fraction form
    68,051.79/93,913.64 = 37,838.39/x
  3. Step 3: Cross multiply
    68,051.79x = 93,913.64 × 37,838.39
  4. Step 4: Simplify right side
    68,051.79x = 3,553,540,936.64
  5. Step 5: Solve for x
    x = 3,553,540,936.64/68,051.79
  6. Step 6: Final answer
    x = 52,218.18

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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.