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Finding the Fourth Proportional to 6,276.52, 9,411.54 and 2,578.06

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Solution

The fourth proportional to 6,276.52, 9,411.54 and 2,578.06 is: 3,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.52 : 9,411.54 = 2,578.06 : x
  2. Step 2: Convert to fraction form
    6,276.52/9,411.54 = 2,578.06/x
  3. Step 3: Cross multiply
    6,276.52x = 9,411.54 × 2,578.06
  4. Step 4: Simplify right side
    6,276.52x = 24,263,514.81
  5. Step 5: Solve for x
    x = 24,263,514.81/6,276.52
  6. Step 6: Final answer
    x = 3,865.76

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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.