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Finding the Fourth Proportional to 4,651.92, 6,973.56 and 3,191.76

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Solution

The fourth proportional to 4,651.92, 6,973.56 and 3,191.76 is: 4,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.92 : 6,973.56 = 3,191.76 : x
  2. Step 2: Convert to fraction form
    4,651.92/6,973.56 = 3,191.76/x
  3. Step 3: Cross multiply
    4,651.92x = 6,973.56 × 3,191.76
  4. Step 4: Simplify right side
    4,651.92x = 22,257,929.87
  5. Step 5: Solve for x
    x = 22,257,929.87/4,651.92
  6. Step 6: Final answer
    x = 4,784.68

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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.