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Finding the Fourth Proportional to 8,995.74, 13,484.97 and 4,062.78

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Solution

The fourth proportional to 8,995.74, 13,484.97 and 4,062.78 is: 6,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.74 : 13,484.97 = 4,062.78 : x
  2. Step 2: Convert to fraction form
    8,995.74/13,484.97 = 4,062.78/x
  3. Step 3: Cross multiply
    8,995.74x = 13,484.97 × 4,062.78
  4. Step 4: Simplify right side
    8,995.74x = 54,786,466.42
  5. Step 5: Solve for x
    x = 54,786,466.42/8,995.74
  6. Step 6: Final answer
    x = 6,090.27

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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.