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Finding the Fourth Proportional to 65,348.61, 98,023.52 and 18,601.48

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Solution

The fourth proportional to 65,348.61, 98,023.52 and 18,601.48 is: 27,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.61 : 98,023.52 = 18,601.48 : x
  2. Step 2: Convert to fraction form
    65,348.61/98,023.52 = 18,601.48/x
  3. Step 3: Cross multiply
    65,348.61x = 98,023.52 × 18,601.48
  4. Step 4: Simplify right side
    65,348.61x = 1,823,382,546.81
  5. Step 5: Solve for x
    x = 1,823,382,546.81/65,348.61
  6. Step 6: Final answer
    x = 27,902.39

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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.