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Finding the Fourth Proportional to 8,876.51, 12,254.03 and 5,520.41

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Solution

The fourth proportional to 8,876.51, 12,254.03 and 5,520.41 is: 7,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.51 : 12,254.03 = 5,520.41 : x
  2. Step 2: Convert to fraction form
    8,876.51/12,254.03 = 5,520.41/x
  3. Step 3: Cross multiply
    8,876.51x = 12,254.03 × 5,520.41
  4. Step 4: Simplify right side
    8,876.51x = 67,647,252.27
  5. Step 5: Solve for x
    x = 67,647,252.27/8,876.51
  6. Step 6: Final answer
    x = 7,620.93

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1.5x scale

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.