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Finding the Fourth Proportional to 69,618.96, 96,074.25 and 37,787.87

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Solution

The fourth proportional to 69,618.96, 96,074.25 and 37,787.87 is: 52,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.96 : 96,074.25 = 37,787.87 : x
  2. Step 2: Convert to fraction form
    69,618.96/96,074.25 = 37,787.87/x
  3. Step 3: Cross multiply
    69,618.96x = 96,074.25 × 37,787.87
  4. Step 4: Simplify right side
    69,618.96x = 3,630,441,269.35
  5. Step 5: Solve for x
    x = 3,630,441,269.35/69,618.96
  6. Step 6: Final answer
    x = 52,147.31

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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.