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Finding the Fourth Proportional to 8,402.76, 12,599.37 and 3,468.30

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Solution

The fourth proportional to 8,402.76, 12,599.37 and 3,468.30 is: 5,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.76 : 12,599.37 = 3,468.30 : x
  2. Step 2: Convert to fraction form
    8,402.76/12,599.37 = 3,468.30/x
  3. Step 3: Cross multiply
    8,402.76x = 12,599.37 × 3,468.30
  4. Step 4: Simplify right side
    8,402.76x = 43,698,394.97
  5. Step 5: Solve for x
    x = 43,698,394.97/8,402.76
  6. Step 6: Final answer
    x = 5,200.48

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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.