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Finding the Fourth Proportional to 66,098.29, 91,215.89 and 35,883.67

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Solution

The fourth proportional to 66,098.29, 91,215.89 and 35,883.67 is: 49,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.29 : 91,215.89 = 35,883.67 : x
  2. Step 2: Convert to fraction form
    66,098.29/91,215.89 = 35,883.67/x
  3. Step 3: Cross multiply
    66,098.29x = 91,215.89 × 35,883.67
  4. Step 4: Simplify right side
    66,098.29x = 3,273,160,895.52
  5. Step 5: Solve for x
    x = 3,273,160,895.52/66,098.29
  6. Step 6: Final answer
    x = 49,519.60

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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.