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Finding the Fourth Proportional to 69,783.75, 96,301.58 and 39,559.41

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Solution

The fourth proportional to 69,783.75, 96,301.58 and 39,559.41 is: 54,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.75 : 96,301.58 = 39,559.41 : x
  2. Step 2: Convert to fraction form
    69,783.75/96,301.58 = 39,559.41/x
  3. Step 3: Cross multiply
    69,783.75x = 96,301.58 × 39,559.41
  4. Step 4: Simplify right side
    69,783.75x = 3,809,633,489.07
  5. Step 5: Solve for x
    x = 3,809,633,489.07/69,783.75
  6. Step 6: Final answer
    x = 54,591.99

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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.