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Finding the Fourth Proportional to 4,628.22, 6,942.71 and 1,508.18

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Solution

The fourth proportional to 4,628.22, 6,942.71 and 1,508.18 is: 2,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.22 : 6,942.71 = 1,508.18 : x
  2. Step 2: Convert to fraction form
    4,628.22/6,942.71 = 1,508.18/x
  3. Step 3: Cross multiply
    4,628.22x = 6,942.71 × 1,508.18
  4. Step 4: Simplify right side
    4,628.22x = 10,470,814.11
  5. Step 5: Solve for x
    x = 10,470,814.11/4,628.22
  6. Step 6: Final answer
    x = 2,262.38

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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.