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Finding the Fourth Proportional to 8,063.52, 11,125.23 and 4,878

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Solution

The fourth proportional to 8,063.52, 11,125.23 and 4,878 is: 6,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.52 : 11,125.23 = 4,878 : x
  2. Step 2: Convert to fraction form
    8,063.52/11,125.23 = 4,878/x
  3. Step 3: Cross multiply
    8,063.52x = 11,125.23 × 4,878
  4. Step 4: Simplify right side
    8,063.52x = 54,268,871.94
  5. Step 5: Solve for x
    x = 54,268,871.94/8,063.52
  6. Step 6: Final answer
    x = 6,730.17

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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.