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Finding the Fourth Proportional to 40,253.60, 60,322.80 and 27,927.20

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Solution

The fourth proportional to 40,253.60, 60,322.80 and 27,927.20 is: 41,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.60 : 60,322.80 = 27,927.20 : x
  2. Step 2: Convert to fraction form
    40,253.60/60,322.80 = 27,927.20/x
  3. Step 3: Cross multiply
    40,253.60x = 60,322.80 × 27,927.20
  4. Step 4: Simplify right side
    40,253.60x = 1,684,646,900.16
  5. Step 5: Solve for x
    x = 1,684,646,900.16/40,253.60
  6. Step 6: Final answer
    x = 41,850.84

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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.