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Finding the Fourth Proportional to 65,250.77, 90,043.04 and 36,956.66

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Solution

The fourth proportional to 65,250.77, 90,043.04 and 36,956.66 is: 50,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.77 : 90,043.04 = 36,956.66 : x
  2. Step 2: Convert to fraction form
    65,250.77/90,043.04 = 36,956.66/x
  3. Step 3: Cross multiply
    65,250.77x = 90,043.04 × 36,956.66
  4. Step 4: Simplify right side
    65,250.77x = 3,327,689,656.82
  5. Step 5: Solve for x
    x = 3,327,689,656.82/65,250.77
  6. Step 6: Final answer
    x = 50,998.48

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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.