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Finding the Fourth Proportional to 69,797.90, 96,343.02 and 39,603.23

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Solution

The fourth proportional to 69,797.90, 96,343.02 and 39,603.23 is: 54,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.90 : 96,343.02 = 39,603.23 : x
  2. Step 2: Convert to fraction form
    69,797.90/96,343.02 = 39,603.23/x
  3. Step 3: Cross multiply
    69,797.90x = 96,343.02 × 39,603.23
  4. Step 4: Simplify right side
    69,797.90x = 3,815,494,659.53
  5. Step 5: Solve for x
    x = 3,815,494,659.53/69,797.90
  6. Step 6: Final answer
    x = 54,664.89

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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.