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Finding the Fourth Proportional to 69,583.80, 96,016.84 and 39,370.80

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Solution

The fourth proportional to 69,583.80, 96,016.84 and 39,370.80 is: 54,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,583.80 : 96,016.84 = 39,370.80 : x
  2. Step 2: Convert to fraction form
    69,583.80/96,016.84 = 39,370.80/x
  3. Step 3: Cross multiply
    69,583.80x = 96,016.84 × 39,370.80
  4. Step 4: Simplify right side
    69,583.80x = 3,780,259,804.27
  5. Step 5: Solve for x
    x = 3,780,259,804.27/69,583.80
  6. Step 6: Final answer
    x = 54,326.72

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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.