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Finding the Fourth Proportional to 4,981.68, 7,471.17 and 2,059.29

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Solution

The fourth proportional to 4,981.68, 7,471.17 and 2,059.29 is: 3,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.68 : 7,471.17 = 2,059.29 : x
  2. Step 2: Convert to fraction form
    4,981.68/7,471.17 = 2,059.29/x
  3. Step 3: Cross multiply
    4,981.68x = 7,471.17 × 2,059.29
  4. Step 4: Simplify right side
    4,981.68x = 15,385,305.67
  5. Step 5: Solve for x
    x = 15,385,305.67/4,981.68
  6. Step 6: Final answer
    x = 3,088.38

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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.