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Finding the Fourth Proportional to 4,803.04, 7,217.76 and 2,855.68

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Solution

The fourth proportional to 4,803.04, 7,217.76 and 2,855.68 is: 4,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.04 : 7,217.76 = 2,855.68 : x
  2. Step 2: Convert to fraction form
    4,803.04/7,217.76 = 2,855.68/x
  3. Step 3: Cross multiply
    4,803.04x = 7,217.76 × 2,855.68
  4. Step 4: Simplify right side
    4,803.04x = 20,611,612.88
  5. Step 5: Solve for x
    x = 20,611,612.88/4,803.04
  6. Step 6: Final answer
    x = 4,291.37

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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.