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Finding the Fourth Proportional to 6,802.59, 9,387 and 3,818.01

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Solution

The fourth proportional to 6,802.59, 9,387 and 3,818.01 is: 5,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.59 : 9,387 = 3,818.01 : x
  2. Step 2: Convert to fraction form
    6,802.59/9,387 = 3,818.01/x
  3. Step 3: Cross multiply
    6,802.59x = 9,387 × 3,818.01
  4. Step 4: Simplify right side
    6,802.59x = 35,839,659.87
  5. Step 5: Solve for x
    x = 35,839,659.87/6,802.59
  6. Step 6: Final answer
    x = 5,268.53

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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.