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Finding the Fourth Proportional to 9,162.98, 13,736.28 and 4,480.34

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Solution

The fourth proportional to 9,162.98, 13,736.28 and 4,480.34 is: 6,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.98 : 13,736.28 = 4,480.34 : x
  2. Step 2: Convert to fraction form
    9,162.98/13,736.28 = 4,480.34/x
  3. Step 3: Cross multiply
    9,162.98x = 13,736.28 × 4,480.34
  4. Step 4: Simplify right side
    9,162.98x = 61,543,204.74
  5. Step 5: Solve for x
    x = 61,543,204.74/9,162.98
  6. Step 6: Final answer
    x = 6,716.51

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1.5x scale

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.