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Finding the Fourth Proportional to 4,795.64, 7,200.12 and 3,162.68

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Solution

The fourth proportional to 4,795.64, 7,200.12 and 3,162.68 is: 4,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.64 : 7,200.12 = 3,162.68 : x
  2. Step 2: Convert to fraction form
    4,795.64/7,200.12 = 3,162.68/x
  3. Step 3: Cross multiply
    4,795.64x = 7,200.12 × 3,162.68
  4. Step 4: Simplify right side
    4,795.64x = 22,771,675.52
  5. Step 5: Solve for x
    x = 22,771,675.52/4,795.64
  6. Step 6: Final answer
    x = 4,748.41

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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.