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Finding the Fourth Proportional to 5,042.95, 6,958.89 and 2,918.48

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Solution

The fourth proportional to 5,042.95, 6,958.89 and 2,918.48 is: 4,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.95 : 6,958.89 = 2,918.48 : x
  2. Step 2: Convert to fraction form
    5,042.95/6,958.89 = 2,918.48/x
  3. Step 3: Cross multiply
    5,042.95x = 6,958.89 × 2,918.48
  4. Step 4: Simplify right side
    5,042.95x = 20,309,381.29
  5. Step 5: Solve for x
    x = 20,309,381.29/5,042.95
  6. Step 6: Final answer
    x = 4,027.28

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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.