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Finding the Fourth Proportional to 8,495.82, 11,720.97 and 6,263.01

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Solution

The fourth proportional to 8,495.82, 11,720.97 and 6,263.01 is: 8,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.82 : 11,720.97 = 6,263.01 : x
  2. Step 2: Convert to fraction form
    8,495.82/11,720.97 = 6,263.01/x
  3. Step 3: Cross multiply
    8,495.82x = 11,720.97 × 6,263.01
  4. Step 4: Simplify right side
    8,495.82x = 73,408,552.32
  5. Step 5: Solve for x
    x = 73,408,552.32/8,495.82
  6. Step 6: Final answer
    x = 8,640.55

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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.