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Finding the Fourth Proportional to 69,615.54, 96,069.54 and 37,784.44

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Solution

The fourth proportional to 69,615.54, 96,069.54 and 37,784.44 is: 52,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.54 : 96,069.54 = 37,784.44 : x
  2. Step 2: Convert to fraction form
    69,615.54/96,069.54 = 37,784.44/x
  3. Step 3: Cross multiply
    69,615.54x = 96,069.54 × 37,784.44
  4. Step 4: Simplify right side
    69,615.54x = 3,629,934,010.13
  5. Step 5: Solve for x
    x = 3,629,934,010.13/69,615.54
  6. Step 6: Final answer
    x = 52,142.58

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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.