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Finding the Fourth Proportional to 40,355.48, 60,564.80 and 27,962.48

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Solution

The fourth proportional to 40,355.48, 60,564.80 and 27,962.48 is: 41,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355.48 : 60,564.80 = 27,962.48 : x
  2. Step 2: Convert to fraction form
    40,355.48/60,564.80 = 27,962.48/x
  3. Step 3: Cross multiply
    40,355.48x = 60,564.80 × 27,962.48
  4. Step 4: Simplify right side
    40,355.48x = 1,693,542,230.02
  5. Step 5: Solve for x
    x = 1,693,542,230.02/40,355.48
  6. Step 6: Final answer
    x = 41,965.60

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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.