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Finding the Fourth Proportional to 69,933.26, 96,497.12 and 39,300.32

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Solution

The fourth proportional to 69,933.26, 96,497.12 and 39,300.32 is: 54,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,933.26 : 96,497.12 = 39,300.32 : x
  2. Step 2: Convert to fraction form
    69,933.26/96,497.12 = 39,300.32/x
  3. Step 3: Cross multiply
    69,933.26x = 96,497.12 × 39,300.32
  4. Step 4: Simplify right side
    69,933.26x = 3,792,368,034.57
  5. Step 5: Solve for x
    x = 3,792,368,034.57/69,933.26
  6. Step 6: Final answer
    x = 54,228.39

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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.