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Finding the Fourth Proportional to 8,878.17, 12,252.13 and 4,899.54

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Solution

The fourth proportional to 8,878.17, 12,252.13 and 4,899.54 is: 6,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.17 : 12,252.13 = 4,899.54 : x
  2. Step 2: Convert to fraction form
    8,878.17/12,252.13 = 4,899.54/x
  3. Step 3: Cross multiply
    8,878.17x = 12,252.13 × 4,899.54
  4. Step 4: Simplify right side
    8,878.17x = 60,029,801.02
  5. Step 5: Solve for x
    x = 60,029,801.02/8,878.17
  6. Step 6: Final answer
    x = 6,761.51

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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.