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Finding the Fourth Proportional to 69,034.80, 103,486.58 and 44,004.60

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Solution

The fourth proportional to 69,034.80, 103,486.58 and 44,004.60 is: 65,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,034.80 : 103,486.58 = 44,004.60 : x
  2. Step 2: Convert to fraction form
    69,034.80/103,486.58 = 44,004.60/x
  3. Step 3: Cross multiply
    69,034.80x = 103,486.58 × 44,004.60
  4. Step 4: Simplify right side
    69,034.80x = 4,553,885,338.25
  5. Step 5: Solve for x
    x = 4,553,885,338.25/69,034.80
  6. Step 6: Final answer
    x = 65,965.07

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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.