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Finding the Fourth Proportional to 65,883.98, 98,924.39 and 64,899.83

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Solution

The fourth proportional to 65,883.98, 98,924.39 and 64,899.83 is: 97,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883.98 : 98,924.39 = 64,899.83 : x
  2. Step 2: Convert to fraction form
    65,883.98/98,924.39 = 64,899.83/x
  3. Step 3: Cross multiply
    65,883.98x = 98,924.39 × 64,899.83
  4. Step 4: Simplify right side
    65,883.98x = 6,420,175,274.73
  5. Step 5: Solve for x
    x = 6,420,175,274.73/65,883.98
  6. Step 6: Final answer
    x = 97,446.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.