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Finding the Fourth Proportional to 50,625.92, 69,862.92 and 29,405.36

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Solution

The fourth proportional to 50,625.92, 69,862.92 and 29,405.36 is: 40,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,625.92 : 69,862.92 = 29,405.36 : x
  2. Step 2: Convert to fraction form
    50,625.92/69,862.92 = 29,405.36/x
  3. Step 3: Cross multiply
    50,625.92x = 69,862.92 × 29,405.36
  4. Step 4: Simplify right side
    50,625.92x = 2,054,344,313.25
  5. Step 5: Solve for x
    x = 2,054,344,313.25/50,625.92
  6. Step 6: Final answer
    x = 40,578.90

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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.