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Finding the Fourth Proportional to 5,310.76, 7,966.22 and 2,025.40

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Solution

The fourth proportional to 5,310.76, 7,966.22 and 2,025.40 is: 3,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.76 : 7,966.22 = 2,025.40 : x
  2. Step 2: Convert to fraction form
    5,310.76/7,966.22 = 2,025.40/x
  3. Step 3: Cross multiply
    5,310.76x = 7,966.22 × 2,025.40
  4. Step 4: Simplify right side
    5,310.76x = 16,134,781.99
  5. Step 5: Solve for x
    x = 16,134,781.99/5,310.76
  6. Step 6: Final answer
    x = 3,038.13

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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.