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Finding the Fourth Proportional to 3,803.59, 5,708.07 and 2,487.29

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Solution

The fourth proportional to 3,803.59, 5,708.07 and 2,487.29 is: 3,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.59 : 5,708.07 = 2,487.29 : x
  2. Step 2: Convert to fraction form
    3,803.59/5,708.07 = 2,487.29/x
  3. Step 3: Cross multiply
    3,803.59x = 5,708.07 × 2,487.29
  4. Step 4: Simplify right side
    3,803.59x = 14,197,598.90
  5. Step 5: Solve for x
    x = 14,197,598.90/3,803.59
  6. Step 6: Final answer
    x = 3,732.69

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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.