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Finding the Fourth Proportional to 69,627.58, 96,059.15 and 39,405.97

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Solution

The fourth proportional to 69,627.58, 96,059.15 and 39,405.97 is: 54,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,627.58 : 96,059.15 = 39,405.97 : x
  2. Step 2: Convert to fraction form
    69,627.58/96,059.15 = 39,405.97/x
  3. Step 3: Cross multiply
    69,627.58x = 96,059.15 × 39,405.97
  4. Step 4: Simplify right side
    69,627.58x = 3,785,304,321.79
  5. Step 5: Solve for x
    x = 3,785,304,321.79/69,627.58
  6. Step 6: Final answer
    x = 54,365.01

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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.