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Finding the Fourth Proportional to 5,199.37, 7,800.38 and 1,501.88

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Solution

The fourth proportional to 5,199.37, 7,800.38 and 1,501.88 is: 2,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.37 : 7,800.38 = 1,501.88 : x
  2. Step 2: Convert to fraction form
    5,199.37/7,800.38 = 1,501.88/x
  3. Step 3: Cross multiply
    5,199.37x = 7,800.38 × 1,501.88
  4. Step 4: Simplify right side
    5,199.37x = 11,715,227.21
  5. Step 5: Solve for x
    x = 11,715,227.21/5,199.37
  6. Step 6: Final answer
    x = 2,253.20

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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.