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Finding the Fourth Proportional to 6,570.27, 9,068.13 and 3,917.84

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Solution

The fourth proportional to 6,570.27, 9,068.13 and 3,917.84 is: 5,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.27 : 9,068.13 = 3,917.84 : x
  2. Step 2: Convert to fraction form
    6,570.27/9,068.13 = 3,917.84/x
  3. Step 3: Cross multiply
    6,570.27x = 9,068.13 × 3,917.84
  4. Step 4: Simplify right side
    6,570.27x = 35,527,437.10
  5. Step 5: Solve for x
    x = 35,527,437.10/6,570.27
  6. Step 6: Final answer
    x = 5,407.30

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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.