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Finding the Fourth Proportional to 36,335.98, 50,143.18 and 20,203.15

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Solution

The fourth proportional to 36,335.98, 50,143.18 and 20,203.15 is: 27,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.98 : 50,143.18 = 20,203.15 : x
  2. Step 2: Convert to fraction form
    36,335.98/50,143.18 = 20,203.15/x
  3. Step 3: Cross multiply
    36,335.98x = 50,143.18 × 20,203.15
  4. Step 4: Simplify right side
    36,335.98x = 1,013,050,390.36
  5. Step 5: Solve for x
    x = 1,013,050,390.36/36,335.98
  6. Step 6: Final answer
    x = 27,880.09

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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.