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Finding the Fourth Proportional to 68,903.92, 103,297.56 and 27,328.24

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Solution

The fourth proportional to 68,903.92, 103,297.56 and 27,328.24 is: 40,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903.92 : 103,297.56 = 27,328.24 : x
  2. Step 2: Convert to fraction form
    68,903.92/103,297.56 = 27,328.24/x
  3. Step 3: Cross multiply
    68,903.92x = 103,297.56 × 27,328.24
  4. Step 4: Simplify right side
    68,903.92x = 2,822,940,511.09
  5. Step 5: Solve for x
    x = 2,822,940,511.09/68,903.92
  6. Step 6: Final answer
    x = 40,969.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.