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Finding the Fourth Proportional to 66,395.57, 99,622.76 and 34,798.10

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Solution

The fourth proportional to 66,395.57, 99,622.76 and 34,798.10 is: 52,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,395.57 : 99,622.76 = 34,798.10 : x
  2. Step 2: Convert to fraction form
    66,395.57/99,622.76 = 34,798.10/x
  3. Step 3: Cross multiply
    66,395.57x = 99,622.76 × 34,798.10
  4. Step 4: Simplify right side
    66,395.57x = 3,466,682,092.65
  5. Step 5: Solve for x
    x = 3,466,682,092.65/66,395.57
  6. Step 6: Final answer
    x = 52,212.56

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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.