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Finding the Fourth Proportional to 5,574.76, 8,360.38 and 2,976.36

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Solution

The fourth proportional to 5,574.76, 8,360.38 and 2,976.36 is: 4,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.76 : 8,360.38 = 2,976.36 : x
  2. Step 2: Convert to fraction form
    5,574.76/8,360.38 = 2,976.36/x
  3. Step 3: Cross multiply
    5,574.76x = 8,360.38 × 2,976.36
  4. Step 4: Simplify right side
    5,574.76x = 24,883,500.62
  5. Step 5: Solve for x
    x = 24,883,500.62/5,574.76
  6. Step 6: Final answer
    x = 4,463.60

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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.