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Finding the Fourth Proportional to 5,541.80, 8,310.80 and 1,592.01

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Solution

The fourth proportional to 5,541.80, 8,310.80 and 1,592.01 is: 2,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.80 : 8,310.80 = 1,592.01 : x
  2. Step 2: Convert to fraction form
    5,541.80/8,310.80 = 1,592.01/x
  3. Step 3: Cross multiply
    5,541.80x = 8,310.80 × 1,592.01
  4. Step 4: Simplify right side
    5,541.80x = 13,230,880.69
  5. Step 5: Solve for x
    x = 13,230,880.69/5,541.80
  6. Step 6: Final answer
    x = 2,387.47

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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.