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Finding the Fourth Proportional to 5,693.91, 8,541.74 and 2,407.87

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Solution

The fourth proportional to 5,693.91, 8,541.74 and 2,407.87 is: 3,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.91 : 8,541.74 = 2,407.87 : x
  2. Step 2: Convert to fraction form
    5,693.91/8,541.74 = 2,407.87/x
  3. Step 3: Cross multiply
    5,693.91x = 8,541.74 × 2,407.87
  4. Step 4: Simplify right side
    5,693.91x = 20,567,399.49
  5. Step 5: Solve for x
    x = 20,567,399.49/5,693.91
  6. Step 6: Final answer
    x = 3,612.18

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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.