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Finding the Fourth Proportional to 25,599.21, 38,398.81 and 8,069.04

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Solution

The fourth proportional to 25,599.21, 38,398.81 and 8,069.04 is: 12,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.21 : 38,398.81 = 8,069.04 : x
  2. Step 2: Convert to fraction form
    25,599.21/38,398.81 = 8,069.04/x
  3. Step 3: Cross multiply
    25,599.21x = 38,398.81 × 8,069.04
  4. Step 4: Simplify right side
    25,599.21x = 309,841,341.85
  5. Step 5: Solve for x
    x = 309,841,341.85/25,599.21
  6. Step 6: Final answer
    x = 12,103.55

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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.