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Finding the Fourth Proportional to 36,290.87, 50,083.88 and 20,160.02

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Solution

The fourth proportional to 36,290.87, 50,083.88 and 20,160.02 is: 27,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.87 : 50,083.88 = 20,160.02 : x
  2. Step 2: Convert to fraction form
    36,290.87/50,083.88 = 20,160.02/x
  3. Step 3: Cross multiply
    36,290.87x = 50,083.88 × 20,160.02
  4. Step 4: Simplify right side
    36,290.87x = 1,009,692,046.89
  5. Step 5: Solve for x
    x = 1,009,692,046.89/36,290.87
  6. Step 6: Final answer
    x = 27,822.20

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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.