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Finding the Fourth Proportional to 5,871.87, 8,807.85 and 1,976.22

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Solution

The fourth proportional to 5,871.87, 8,807.85 and 1,976.22 is: 2,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.87 : 8,807.85 = 1,976.22 : x
  2. Step 2: Convert to fraction form
    5,871.87/8,807.85 = 1,976.22/x
  3. Step 3: Cross multiply
    5,871.87x = 8,807.85 × 1,976.22
  4. Step 4: Simplify right side
    5,871.87x = 17,406,195.41
  5. Step 5: Solve for x
    x = 17,406,195.41/5,871.87
  6. Step 6: Final answer
    x = 2,964.34

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1.5x scale

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.