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Finding the Fourth Proportional to 5,809.89, 8,719.20 and 3,037.26

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Solution

The fourth proportional to 5,809.89, 8,719.20 and 3,037.26 is: 4,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.89 : 8,719.20 = 3,037.26 : x
  2. Step 2: Convert to fraction form
    5,809.89/8,719.20 = 3,037.26/x
  3. Step 3: Cross multiply
    5,809.89x = 8,719.20 × 3,037.26
  4. Step 4: Simplify right side
    5,809.89x = 26,482,477.39
  5. Step 5: Solve for x
    x = 26,482,477.39/5,809.89
  6. Step 6: Final answer
    x = 4,558.17

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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.