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Finding the Fourth Proportional to 8,939.88, 12,334.68 and 6,073.68

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Solution

The fourth proportional to 8,939.88, 12,334.68 and 6,073.68 is: 8,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.88 : 12,334.68 = 6,073.68 : x
  2. Step 2: Convert to fraction form
    8,939.88/12,334.68 = 6,073.68/x
  3. Step 3: Cross multiply
    8,939.88x = 12,334.68 × 6,073.68
  4. Step 4: Simplify right side
    8,939.88x = 74,916,899.22
  5. Step 5: Solve for x
    x = 74,916,899.22/8,939.88
  6. Step 6: Final answer
    x = 8,380.08

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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.