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Finding the Fourth Proportional to 69,772.54, 96,257.70 and 39,551.46

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Solution

The fourth proportional to 69,772.54, 96,257.70 and 39,551.46 is: 54,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772.54 : 96,257.70 = 39,551.46 : x
  2. Step 2: Convert to fraction form
    69,772.54/96,257.70 = 39,551.46/x
  3. Step 3: Cross multiply
    69,772.54x = 96,257.70 × 39,551.46
  4. Step 4: Simplify right side
    69,772.54x = 3,807,132,571.24
  5. Step 5: Solve for x
    x = 3,807,132,571.24/69,772.54
  6. Step 6: Final answer
    x = 54,564.91

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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.