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Finding the Fourth Proportional to 53,234.40, 79,822.80 and 22,072.80

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Solution

The fourth proportional to 53,234.40, 79,822.80 and 22,072.80 is: 33,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.40 : 79,822.80 = 22,072.80 : x
  2. Step 2: Convert to fraction form
    53,234.40/79,822.80 = 22,072.80/x
  3. Step 3: Cross multiply
    53,234.40x = 79,822.80 × 22,072.80
  4. Step 4: Simplify right side
    53,234.40x = 1,761,912,699.84
  5. Step 5: Solve for x
    x = 1,761,912,699.84/53,234.40
  6. Step 6: Final answer
    x = 33,097.26

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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.