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Finding the Fourth Proportional to 53,462.60, 80,021.10 and 41,712.20

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Solution

The fourth proportional to 53,462.60, 80,021.10 and 41,712.20 is: 62,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,462.60 : 80,021.10 = 41,712.20 : x
  2. Step 2: Convert to fraction form
    53,462.60/80,021.10 = 41,712.20/x
  3. Step 3: Cross multiply
    53,462.60x = 80,021.10 × 41,712.20
  4. Step 4: Simplify right side
    53,462.60x = 3,337,856,127.42
  5. Step 5: Solve for x
    x = 3,337,856,127.42/53,462.60
  6. Step 6: Final answer
    x = 62,433.48

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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.