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Finding the Fourth Proportional to 74,477.55, 111,769.64 and 27,092.55

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Solution

The fourth proportional to 74,477.55, 111,769.64 and 27,092.55 is: 40,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,477.55 : 111,769.64 = 27,092.55 : x
  2. Step 2: Convert to fraction form
    74,477.55/111,769.64 = 27,092.55/x
  3. Step 3: Cross multiply
    74,477.55x = 111,769.64 × 27,092.55
  4. Step 4: Simplify right side
    74,477.55x = 3,028,124,560.18
  5. Step 5: Solve for x
    x = 3,028,124,560.18/74,477.55
  6. Step 6: Final answer
    x = 40,658.22

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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.