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Finding the Fourth Proportional to 53,758.40, 80,666.40 and 22,596.80

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Solution

The fourth proportional to 53,758.40, 80,666.40 and 22,596.80 is: 33,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758.40 : 80,666.40 = 22,596.80 : x
  2. Step 2: Convert to fraction form
    53,758.40/80,666.40 = 22,596.80/x
  3. Step 3: Cross multiply
    53,758.40x = 80,666.40 × 22,596.80
  4. Step 4: Simplify right side
    53,758.40x = 1,822,802,507.52
  5. Step 5: Solve for x
    x = 1,822,802,507.52/53,758.40
  6. Step 6: Final answer
    x = 33,907.31

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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.