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Finding the Fourth Proportional to 8,871.98, 12,244.20 and 6,629.97

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Solution

The fourth proportional to 8,871.98, 12,244.20 and 6,629.97 is: 9,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.98 : 12,244.20 = 6,629.97 : x
  2. Step 2: Convert to fraction form
    8,871.98/12,244.20 = 6,629.97/x
  3. Step 3: Cross multiply
    8,871.98x = 12,244.20 × 6,629.97
  4. Step 4: Simplify right side
    8,871.98x = 81,178,617.45
  5. Step 5: Solve for x
    x = 81,178,617.45/8,871.98
  6. Step 6: Final answer
    x = 9,150.00

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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.