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Finding the Fourth Proportional to 53,612.40, 80,447.40 and 22,450.80

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Solution

The fourth proportional to 53,612.40, 80,447.40 and 22,450.80 is: 33,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.40 : 80,447.40 = 22,450.80 : x
  2. Step 2: Convert to fraction form
    53,612.40/80,447.40 = 22,450.80/x
  3. Step 3: Cross multiply
    53,612.40x = 80,447.40 × 22,450.80
  4. Step 4: Simplify right side
    53,612.40x = 1,806,108,487.92
  5. Step 5: Solve for x
    x = 1,806,108,487.92/53,612.40
  6. Step 6: Final answer
    x = 33,688.26

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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.