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Finding the Fourth Proportional to 25,599.33, 38,398.99 and 8,069.16

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Solution

The fourth proportional to 25,599.33, 38,398.99 and 8,069.16 is: 12,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.33 : 38,398.99 = 8,069.16 : x
  2. Step 2: Convert to fraction form
    25,599.33/38,398.99 = 8,069.16/x
  3. Step 3: Cross multiply
    25,599.33x = 38,398.99 × 8,069.16
  4. Step 4: Simplify right side
    25,599.33x = 309,847,594.15
  5. Step 5: Solve for x
    x = 309,847,594.15/25,599.33
  6. Step 6: Final answer
    x = 12,103.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.