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Finding the Fourth Proportional to 8,264.92, 12,402.90 and 3,071.32

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Solution

The fourth proportional to 8,264.92, 12,402.90 and 3,071.32 is: 4,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.92 : 12,402.90 = 3,071.32 : x
  2. Step 2: Convert to fraction form
    8,264.92/12,402.90 = 3,071.32/x
  3. Step 3: Cross multiply
    8,264.92x = 12,402.90 × 3,071.32
  4. Step 4: Simplify right side
    8,264.92x = 38,093,274.83
  5. Step 5: Solve for x
    x = 38,093,274.83/8,264.92
  6. Step 6: Final answer
    x = 4,609.03

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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.