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Finding the Fourth Proportional to 5,871.37, 8,807.10 and 1,975.72

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Solution

The fourth proportional to 5,871.37, 8,807.10 and 1,975.72 is: 2,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.37 : 8,807.10 = 1,975.72 : x
  2. Step 2: Convert to fraction form
    5,871.37/8,807.10 = 1,975.72/x
  3. Step 3: Cross multiply
    5,871.37x = 8,807.10 × 1,975.72
  4. Step 4: Simplify right side
    5,871.37x = 17,400,309.70
  5. Step 5: Solve for x
    x = 17,400,309.70/5,871.37
  6. Step 6: Final answer
    x = 2,963.59

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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.