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Finding the Fourth Proportional to 7,257.60, 10,886.80 and 2,063.88

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Solution

The fourth proportional to 7,257.60, 10,886.80 and 2,063.88 is: 3,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.60 : 10,886.80 = 2,063.88 : x
  2. Step 2: Convert to fraction form
    7,257.60/10,886.80 = 2,063.88/x
  3. Step 3: Cross multiply
    7,257.60x = 10,886.80 × 2,063.88
  4. Step 4: Simplify right side
    7,257.60x = 22,468,984.03
  5. Step 5: Solve for x
    x = 22,468,984.03/7,257.60
  6. Step 6: Final answer
    x = 3,095.93

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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.