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Finding the Fourth Proportional to 5,818.74, 8,030.01 and 3,581.91

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Solution

The fourth proportional to 5,818.74, 8,030.01 and 3,581.91 is: 4,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.74 : 8,030.01 = 3,581.91 : x
  2. Step 2: Convert to fraction form
    5,818.74/8,030.01 = 3,581.91/x
  3. Step 3: Cross multiply
    5,818.74x = 8,030.01 × 3,581.91
  4. Step 4: Simplify right side
    5,818.74x = 28,762,773.12
  5. Step 5: Solve for x
    x = 28,762,773.12/5,818.74
  6. Step 6: Final answer
    x = 4,943.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.