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Finding the Fourth Proportional to 2,314.96, 3,472.16 and 928.24

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Solution

The fourth proportional to 2,314.96, 3,472.16 and 928.24 is: 1,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.96 : 3,472.16 = 928.24 : x
  2. Step 2: Convert to fraction form
    2,314.96/3,472.16 = 928.24/x
  3. Step 3: Cross multiply
    2,314.96x = 3,472.16 × 928.24
  4. Step 4: Simplify right side
    2,314.96x = 3,222,980.44
  5. Step 5: Solve for x
    x = 3,222,980.44/2,314.96
  6. Step 6: Final answer
    x = 1,392.24

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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.