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Finding the Fourth Proportional to 36,702.03, 55,059.78 and 15,642.03

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Solution

The fourth proportional to 36,702.03, 55,059.78 and 15,642.03 is: 23,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.03 : 55,059.78 = 15,642.03 : x
  2. Step 2: Convert to fraction form
    36,702.03/55,059.78 = 15,642.03/x
  3. Step 3: Cross multiply
    36,702.03x = 55,059.78 × 15,642.03
  4. Step 4: Simplify right side
    36,702.03x = 861,246,730.55
  5. Step 5: Solve for x
    x = 861,246,730.55/36,702.03
  6. Step 6: Final answer
    x = 23,465.92

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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.