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Finding the Fourth Proportional to 8,939.93, 13,410.54 and 2,366.06

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Solution

The fourth proportional to 8,939.93, 13,410.54 and 2,366.06 is: 3,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.93 : 13,410.54 = 2,366.06 : x
  2. Step 2: Convert to fraction form
    8,939.93/13,410.54 = 2,366.06/x
  3. Step 3: Cross multiply
    8,939.93x = 13,410.54 × 2,366.06
  4. Step 4: Simplify right side
    8,939.93x = 31,730,175.80
  5. Step 5: Solve for x
    x = 31,730,175.80/8,939.93
  6. Step 6: Final answer
    x = 3,549.27

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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.