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Finding the Fourth Proportional to 8,857.87, 12,224.01 and 4,878.95

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Solution

The fourth proportional to 8,857.87, 12,224.01 and 4,878.95 is: 6,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.87 : 12,224.01 = 4,878.95 : x
  2. Step 2: Convert to fraction form
    8,857.87/12,224.01 = 4,878.95/x
  3. Step 3: Cross multiply
    8,857.87x = 12,224.01 × 4,878.95
  4. Step 4: Simplify right side
    8,857.87x = 59,640,333.59
  5. Step 5: Solve for x
    x = 59,640,333.59/8,857.87
  6. Step 6: Final answer
    x = 6,733.03

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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.