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Finding the Fourth Proportional to 6,914.44, 9,538.84 and 4,260.88

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Solution

The fourth proportional to 6,914.44, 9,538.84 and 4,260.88 is: 5,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.44 : 9,538.84 = 4,260.88 : x
  2. Step 2: Convert to fraction form
    6,914.44/9,538.84 = 4,260.88/x
  3. Step 3: Cross multiply
    6,914.44x = 9,538.84 × 4,260.88
  4. Step 4: Simplify right side
    6,914.44x = 40,643,852.58
  5. Step 5: Solve for x
    x = 40,643,852.58/6,914.44
  6. Step 6: Final answer
    x = 5,878.11

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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.