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Finding the Fourth Proportional to 5,042.49, 6,956.63 and 2,917.63

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Solution

The fourth proportional to 5,042.49, 6,956.63 and 2,917.63 is: 4,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.49 : 6,956.63 = 2,917.63 : x
  2. Step 2: Convert to fraction form
    5,042.49/6,956.63 = 2,917.63/x
  3. Step 3: Cross multiply
    5,042.49x = 6,956.63 × 2,917.63
  4. Step 4: Simplify right side
    5,042.49x = 20,296,872.39
  5. Step 5: Solve for x
    x = 20,296,872.39/5,042.49
  6. Step 6: Final answer
    x = 4,025.17

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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.