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Finding the Fourth Proportional to 5,199.66, 7,800.75 and 1,737.18

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Solution

The fourth proportional to 5,199.66, 7,800.75 and 1,737.18 is: 2,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.66 : 7,800.75 = 1,737.18 : x
  2. Step 2: Convert to fraction form
    5,199.66/7,800.75 = 1,737.18/x
  3. Step 3: Cross multiply
    5,199.66x = 7,800.75 × 1,737.18
  4. Step 4: Simplify right side
    5,199.66x = 13,551,306.89
  5. Step 5: Solve for x
    x = 13,551,306.89/5,199.66
  6. Step 6: Final answer
    x = 2,606.19

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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.