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Finding the Fourth Proportional to 5,871.92, 8,807.81 and 2,949.50

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Solution

The fourth proportional to 5,871.92, 8,807.81 and 2,949.50 is: 4,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.92 : 8,807.81 = 2,949.50 : x
  2. Step 2: Convert to fraction form
    5,871.92/8,807.81 = 2,949.50/x
  3. Step 3: Cross multiply
    5,871.92x = 8,807.81 × 2,949.50
  4. Step 4: Simplify right side
    5,871.92x = 25,978,642.87
  5. Step 5: Solve for x
    x = 25,978,642.87/5,871.92
  6. Step 6: Final answer
    x = 4,424.22

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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.