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Finding the Fourth Proportional to 65,350.78, 98,024.14 and 18,603.66

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Solution

The fourth proportional to 65,350.78, 98,024.14 and 18,603.66 is: 27,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,350.78 : 98,024.14 = 18,603.66 : x
  2. Step 2: Convert to fraction form
    65,350.78/98,024.14 = 18,603.66/x
  3. Step 3: Cross multiply
    65,350.78x = 98,024.14 × 18,603.66
  4. Step 4: Simplify right side
    65,350.78x = 1,823,607,772.35
  5. Step 5: Solve for x
    x = 1,823,607,772.35/65,350.78
  6. Step 6: Final answer
    x = 27,904.91

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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.