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Finding the Fourth Proportional to 53,230.92, 79,863.66 and 45,392.46

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Solution

The fourth proportional to 53,230.92, 79,863.66 and 45,392.46 is: 68,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.92 : 79,863.66 = 45,392.46 : x
  2. Step 2: Convert to fraction form
    53,230.92/79,863.66 = 45,392.46/x
  3. Step 3: Cross multiply
    53,230.92x = 79,863.66 × 45,392.46
  4. Step 4: Simplify right side
    53,230.92x = 3,625,207,992.00
  5. Step 5: Solve for x
    x = 3,625,207,992.00/53,230.92
  6. Step 6: Final answer
    x = 68,103.43

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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.