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Finding the Fourth Proportional to 53,309.48, 79,964.48 and 22,144.76

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Solution

The fourth proportional to 53,309.48, 79,964.48 and 22,144.76 is: 33,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.48 : 79,964.48 = 22,144.76 : x
  2. Step 2: Convert to fraction form
    53,309.48/79,964.48 = 22,144.76/x
  3. Step 3: Cross multiply
    53,309.48x = 79,964.48 × 22,144.76
  4. Step 4: Simplify right side
    53,309.48x = 1,770,794,218.12
  5. Step 5: Solve for x
    x = 1,770,794,218.12/53,309.48
  6. Step 6: Final answer
    x = 33,217.25

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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.