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Finding the Fourth Proportional to 5,818.74, 8,030.03 and 3,165.99

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Solution

The fourth proportional to 5,818.74, 8,030.03 and 3,165.99 is: 4,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.74 : 8,030.03 = 3,165.99 : x
  2. Step 2: Convert to fraction form
    5,818.74/8,030.03 = 3,165.99/x
  3. Step 3: Cross multiply
    5,818.74x = 8,030.03 × 3,165.99
  4. Step 4: Simplify right side
    5,818.74x = 25,422,994.68
  5. Step 5: Solve for x
    x = 25,422,994.68/5,818.74
  6. Step 6: Final answer
    x = 4,369.16

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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.