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Finding the Fourth Proportional to 69,436.80, 95,821.65 and 37,605.42

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Solution

The fourth proportional to 69,436.80, 95,821.65 and 37,605.42 is: 51,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,436.80 : 95,821.65 = 37,605.42 : x
  2. Step 2: Convert to fraction form
    69,436.80/95,821.65 = 37,605.42/x
  3. Step 3: Cross multiply
    69,436.80x = 95,821.65 × 37,605.42
  4. Step 4: Simplify right side
    69,436.80x = 3,603,413,393.34
  5. Step 5: Solve for x
    x = 3,603,413,393.34/69,436.80
  6. Step 6: Final answer
    x = 51,894.87

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1.5x scale

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.