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Finding the Fourth Proportional to 69,035.80, 103,488.07 and 44,005.60

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Solution

The fourth proportional to 69,035.80, 103,488.07 and 44,005.60 is: 65,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,035.80 : 103,488.07 = 44,005.60 : x
  2. Step 2: Convert to fraction form
    69,035.80/103,488.07 = 44,005.60/x
  3. Step 3: Cross multiply
    69,035.80x = 103,488.07 × 44,005.60
  4. Step 4: Simplify right side
    69,035.80x = 4,554,054,613.19
  5. Step 5: Solve for x
    x = 4,554,054,613.19/69,035.80
  6. Step 6: Final answer
    x = 65,966.57

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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.