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Finding the Fourth Proportional to 4,985.91, 7,479.76 and 2,064.44

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Solution

The fourth proportional to 4,985.91, 7,479.76 and 2,064.44 is: 3,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.91 : 7,479.76 = 2,064.44 : x
  2. Step 2: Convert to fraction form
    4,985.91/7,479.76 = 2,064.44/x
  3. Step 3: Cross multiply
    4,985.91x = 7,479.76 × 2,064.44
  4. Step 4: Simplify right side
    4,985.91x = 15,441,515.73
  5. Step 5: Solve for x
    x = 15,441,515.73/4,985.91
  6. Step 6: Final answer
    x = 3,097.03

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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.