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Finding the Fourth Proportional to 2,941.04, 4,411.56 and 749.79

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Solution

The fourth proportional to 2,941.04, 4,411.56 and 749.79 is: 1,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.04 : 4,411.56 = 749.79 : x
  2. Step 2: Convert to fraction form
    2,941.04/4,411.56 = 749.79/x
  3. Step 3: Cross multiply
    2,941.04x = 4,411.56 × 749.79
  4. Step 4: Simplify right side
    2,941.04x = 3,307,746.38
  5. Step 5: Solve for x
    x = 3,307,746.38/2,941.04
  6. Step 6: Final answer
    x = 1,124.69

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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.