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Finding the Fourth Proportional to 68,015.52, 93,861 and 37,800.36

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Solution

The fourth proportional to 68,015.52, 93,861 and 37,800.36 is: 52,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.52 : 93,861 = 37,800.36 : x
  2. Step 2: Convert to fraction form
    68,015.52/93,861 = 37,800.36/x
  3. Step 3: Cross multiply
    68,015.52x = 93,861 × 37,800.36
  4. Step 4: Simplify right side
    68,015.52x = 3,547,979,589.96
  5. Step 5: Solve for x
    x = 3,547,979,589.96/68,015.52
  6. Step 6: Final answer
    x = 52,164.26

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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.