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Finding the Fourth Proportional to 36,702.90, 50,650.04 and 19,935.90

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Solution

The fourth proportional to 36,702.90, 50,650.04 and 19,935.90 is: 27,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.90 : 50,650.04 = 19,935.90 : x
  2. Step 2: Convert to fraction form
    36,702.90/50,650.04 = 19,935.90/x
  3. Step 3: Cross multiply
    36,702.90x = 50,650.04 × 19,935.90
  4. Step 4: Simplify right side
    36,702.90x = 1,009,754,132.44
  5. Step 5: Solve for x
    x = 1,009,754,132.44/36,702.90
  6. Step 6: Final answer
    x = 27,511.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.