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Finding the Fourth Proportional to 57,348.48, 86,013 and 22,288.80

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Solution

The fourth proportional to 57,348.48, 86,013 and 22,288.80 is: 33,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.48 : 86,013 = 22,288.80 : x
  2. Step 2: Convert to fraction form
    57,348.48/86,013 = 22,288.80/x
  3. Step 3: Cross multiply
    57,348.48x = 86,013 × 22,288.80
  4. Step 4: Simplify right side
    57,348.48x = 1,917,126,554.40
  5. Step 5: Solve for x
    x = 1,917,126,554.40/57,348.48
  6. Step 6: Final answer
    x = 33,429.42

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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.