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Finding the Fourth Proportional to 3,364.57, 5,046.07 and 1,283.81

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Solution

The fourth proportional to 3,364.57, 5,046.07 and 1,283.81 is: 1,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.57 : 5,046.07 = 1,283.81 : x
  2. Step 2: Convert to fraction form
    3,364.57/5,046.07 = 1,283.81/x
  3. Step 3: Cross multiply
    3,364.57x = 5,046.07 × 1,283.81
  4. Step 4: Simplify right side
    3,364.57x = 6,478,195.13
  5. Step 5: Solve for x
    x = 6,478,195.13/3,364.57
  6. Step 6: Final answer
    x = 1,925.42

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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.