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Finding the Fourth Proportional to 7,645.98, 10,546.98 and 4,808.88

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Solution

The fourth proportional to 7,645.98, 10,546.98 and 4,808.88 is: 6,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.98 : 10,546.98 = 4,808.88 : x
  2. Step 2: Convert to fraction form
    7,645.98/10,546.98 = 4,808.88/x
  3. Step 3: Cross multiply
    7,645.98x = 10,546.98 × 4,808.88
  4. Step 4: Simplify right side
    7,645.98x = 50,719,161.18
  5. Step 5: Solve for x
    x = 50,719,161.18/7,645.98
  6. Step 6: Final answer
    x = 6,633.44

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Half scale
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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.