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Finding the Fourth Proportional to 52,662.32, 78,984.92 and 17,601.92

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Solution

The fourth proportional to 52,662.32, 78,984.92 and 17,601.92 is: 26,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.32 : 78,984.92 = 17,601.92 : x
  2. Step 2: Convert to fraction form
    52,662.32/78,984.92 = 17,601.92/x
  3. Step 3: Cross multiply
    52,662.32x = 78,984.92 × 17,601.92
  4. Step 4: Simplify right side
    52,662.32x = 1,390,286,243.05
  5. Step 5: Solve for x
    x = 1,390,286,243.05/52,662.32
  6. Step 6: Final answer
    x = 26,400.02

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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.