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Finding the Fourth Proportional to 2,672.92, 4,009.20 and 941.52

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Solution

The fourth proportional to 2,672.92, 4,009.20 and 941.52 is: 1,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.92 : 4,009.20 = 941.52 : x
  2. Step 2: Convert to fraction form
    2,672.92/4,009.20 = 941.52/x
  3. Step 3: Cross multiply
    2,672.92x = 4,009.20 × 941.52
  4. Step 4: Simplify right side
    2,672.92x = 3,774,741.98
  5. Step 5: Solve for x
    x = 3,774,741.98/2,672.92
  6. Step 6: Final answer
    x = 1,412.22

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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.