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Finding the Fourth Proportional to 8,720.26, 12,034.01 and 4,741.41

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Solution

The fourth proportional to 8,720.26, 12,034.01 and 4,741.41 is: 6,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.26 : 12,034.01 = 4,741.41 : x
  2. Step 2: Convert to fraction form
    8,720.26/12,034.01 = 4,741.41/x
  3. Step 3: Cross multiply
    8,720.26x = 12,034.01 × 4,741.41
  4. Step 4: Simplify right side
    8,720.26x = 57,058,175.35
  5. Step 5: Solve for x
    x = 57,058,175.35/8,720.26
  6. Step 6: Final answer
    x = 6,543.17

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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.