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Finding the Fourth Proportional to 65,993.67, 99,012.51 and 43,894.17

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Solution

The fourth proportional to 65,993.67, 99,012.51 and 43,894.17 is: 65,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,993.67 : 99,012.51 = 43,894.17 : x
  2. Step 2: Convert to fraction form
    65,993.67/99,012.51 = 43,894.17/x
  3. Step 3: Cross multiply
    65,993.67x = 99,012.51 × 43,894.17
  4. Step 4: Simplify right side
    65,993.67x = 4,346,071,946.07
  5. Step 5: Solve for x
    x = 4,346,071,946.07/65,993.67
  6. Step 6: Final answer
    x = 65,855.89

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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.