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Finding the Fourth Proportional to 1,483.62, 2,225.94 and 662.46

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Solution

The fourth proportional to 1,483.62, 2,225.94 and 662.46 is: 993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.62 : 2,225.94 = 662.46 : x
  2. Step 2: Convert to fraction form
    1,483.62/2,225.94 = 662.46/x
  3. Step 3: Cross multiply
    1,483.62x = 2,225.94 × 662.46
  4. Step 4: Simplify right side
    1,483.62x = 1,474,596.21
  5. Step 5: Solve for x
    x = 1,474,596.21/1,483.62
  6. Step 6: Final answer
    x = 993.92

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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.