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Finding the Fourth Proportional to 1,522.46, 2,282.44 and 974.50

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Solution

The fourth proportional to 1,522.46, 2,282.44 and 974.50 is: 1,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.46 : 2,282.44 = 974.50 : x
  2. Step 2: Convert to fraction form
    1,522.46/2,282.44 = 974.50/x
  3. Step 3: Cross multiply
    1,522.46x = 2,282.44 × 974.50
  4. Step 4: Simplify right side
    1,522.46x = 2,224,237.78
  5. Step 5: Solve for x
    x = 2,224,237.78/1,522.46
  6. Step 6: Final answer
    x = 1,460.95

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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.