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Finding the Fourth Proportional to 8,873.88, 13,313.94 and 3,943.06

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Solution

The fourth proportional to 8,873.88, 13,313.94 and 3,943.06 is: 5,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.88 : 13,313.94 = 3,943.06 : x
  2. Step 2: Convert to fraction form
    8,873.88/13,313.94 = 3,943.06/x
  3. Step 3: Cross multiply
    8,873.88x = 13,313.94 × 3,943.06
  4. Step 4: Simplify right side
    8,873.88x = 52,497,664.26
  5. Step 5: Solve for x
    x = 52,497,664.26/8,873.88
  6. Step 6: Final answer
    x = 5,915.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.