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Finding the Fourth Proportional to 69,644.80, 96,109.52 and 37,813.44

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Solution

The fourth proportional to 69,644.80, 96,109.52 and 37,813.44 is: 52,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,644.80 : 96,109.52 = 37,813.44 : x
  2. Step 2: Convert to fraction form
    69,644.80/96,109.52 = 37,813.44/x
  3. Step 3: Cross multiply
    69,644.80x = 96,109.52 × 37,813.44
  4. Step 4: Simplify right side
    69,644.80x = 3,634,231,567.95
  5. Step 5: Solve for x
    x = 3,634,231,567.95/69,644.80
  6. Step 6: Final answer
    x = 52,182.38

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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.