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Finding the Fourth Proportional to 7,449.58, 10,262.10 and 6,383.86

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Solution

The fourth proportional to 7,449.58, 10,262.10 and 6,383.86 is: 8,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.58 : 10,262.10 = 6,383.86 : x
  2. Step 2: Convert to fraction form
    7,449.58/10,262.10 = 6,383.86/x
  3. Step 3: Cross multiply
    7,449.58x = 10,262.10 × 6,383.86
  4. Step 4: Simplify right side
    7,449.58x = 65,511,809.71
  5. Step 5: Solve for x
    x = 65,511,809.71/7,449.58
  6. Step 6: Final answer
    x = 8,794.03

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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.