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Finding the Fourth Proportional to 53,944.80, 80,722.80 and 36,448.80

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Solution

The fourth proportional to 53,944.80, 80,722.80 and 36,448.80 is: 54,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,944.80 : 80,722.80 = 36,448.80 : x
  2. Step 2: Convert to fraction form
    53,944.80/80,722.80 = 36,448.80/x
  3. Step 3: Cross multiply
    53,944.80x = 80,722.80 × 36,448.80
  4. Step 4: Simplify right side
    53,944.80x = 2,942,249,192.64
  5. Step 5: Solve for x
    x = 2,942,249,192.64/53,944.80
  6. Step 6: Final answer
    x = 54,541.85

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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.