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Finding the Fourth Proportional to 2,491.52, 3,736.64 and 951.68

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Solution

The fourth proportional to 2,491.52, 3,736.64 and 951.68 is: 1,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.52 : 3,736.64 = 951.68 : x
  2. Step 2: Convert to fraction form
    2,491.52/3,736.64 = 951.68/x
  3. Step 3: Cross multiply
    2,491.52x = 3,736.64 × 951.68
  4. Step 4: Simplify right side
    2,491.52x = 3,556,085.56
  5. Step 5: Solve for x
    x = 3,556,085.56/2,491.52
  6. Step 6: Final answer
    x = 1,427.28

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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.