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Finding the Fourth Proportional to 65,282.76, 90,093.84 and 36,997.56

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Solution

The fourth proportional to 65,282.76, 90,093.84 and 36,997.56 is: 51,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,282.76 : 90,093.84 = 36,997.56 : x
  2. Step 2: Convert to fraction form
    65,282.76/90,093.84 = 36,997.56/x
  3. Step 3: Cross multiply
    65,282.76x = 90,093.84 × 36,997.56
  4. Step 4: Simplify right side
    65,282.76x = 3,333,252,251.03
  5. Step 5: Solve for x
    x = 3,333,252,251.03/65,282.76
  6. Step 6: Final answer
    x = 51,058.69

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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.