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Finding the Fourth Proportional to 2,941.02, 4,411.54 and 749.70

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Solution

The fourth proportional to 2,941.02, 4,411.54 and 749.70 is: 1,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.02 : 4,411.54 = 749.70 : x
  2. Step 2: Convert to fraction form
    2,941.02/4,411.54 = 749.70/x
  3. Step 3: Cross multiply
    2,941.02x = 4,411.54 × 749.70
  4. Step 4: Simplify right side
    2,941.02x = 3,307,331.54
  5. Step 5: Solve for x
    x = 3,307,331.54/2,941.02
  6. Step 6: Final answer
    x = 1,124.55

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Similar ratio
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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.