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Finding the Fourth Proportional to 69,300.90, 103,962.24 and 22,542.84

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Solution

The fourth proportional to 69,300.90, 103,962.24 and 22,542.84 is: 33,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,300.90 : 103,962.24 = 22,542.84 : x
  2. Step 2: Convert to fraction form
    69,300.90/103,962.24 = 22,542.84/x
  3. Step 3: Cross multiply
    69,300.90x = 103,962.24 × 22,542.84
  4. Step 4: Simplify right side
    69,300.90x = 2,343,604,142.36
  5. Step 5: Solve for x
    x = 2,343,604,142.36/69,300.90
  6. Step 6: Final answer
    x = 33,817.80

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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.