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Finding the Fourth Proportional to 68,051.36, 93,915.13 and 37,843.44

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Solution

The fourth proportional to 68,051.36, 93,915.13 and 37,843.44 is: 52,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,051.36 : 93,915.13 = 37,843.44 : x
  2. Step 2: Convert to fraction form
    68,051.36/93,915.13 = 37,843.44/x
  3. Step 3: Cross multiply
    68,051.36x = 93,915.13 × 37,843.44
  4. Step 4: Simplify right side
    68,051.36x = 3,554,071,587.25
  5. Step 5: Solve for x
    x = 3,554,071,587.25/68,051.36
  6. Step 6: Final answer
    x = 52,226.31

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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.