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Finding the Fourth Proportional to 5,042.78, 6,954.15 and 3,364.26

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Solution

The fourth proportional to 5,042.78, 6,954.15 and 3,364.26 is: 4,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.78 : 6,954.15 = 3,364.26 : x
  2. Step 2: Convert to fraction form
    5,042.78/6,954.15 = 3,364.26/x
  3. Step 3: Cross multiply
    5,042.78x = 6,954.15 × 3,364.26
  4. Step 4: Simplify right side
    5,042.78x = 23,395,533.91
  5. Step 5: Solve for x
    x = 23,395,533.91/5,042.78
  6. Step 6: Final answer
    x = 4,639.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.