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Finding the Fourth Proportional to 68,240.57, 94,174.88 and 38,025.91

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Solution

The fourth proportional to 68,240.57, 94,174.88 and 38,025.91 is: 52,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.57 : 94,174.88 = 38,025.91 : x
  2. Step 2: Convert to fraction form
    68,240.57/94,174.88 = 38,025.91/x
  3. Step 3: Cross multiply
    68,240.57x = 94,174.88 × 38,025.91
  4. Step 4: Simplify right side
    68,240.57x = 3,581,085,511.14
  5. Step 5: Solve for x
    x = 3,581,085,511.14/68,240.57
  6. Step 6: Final answer
    x = 52,477.37

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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.