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Finding the Fourth Proportional to 5,812.56, 8,718.90 and 2,349

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Solution

The fourth proportional to 5,812.56, 8,718.90 and 2,349 is: 3,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.56 : 8,718.90 = 2,349 : x
  2. Step 2: Convert to fraction form
    5,812.56/8,718.90 = 2,349/x
  3. Step 3: Cross multiply
    5,812.56x = 8,718.90 × 2,349
  4. Step 4: Simplify right side
    5,812.56x = 20,480,696.10
  5. Step 5: Solve for x
    x = 20,480,696.10/5,812.56
  6. Step 6: Final answer
    x = 3,523.52

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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.