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Finding the Fourth Proportional to 5,006.49, 6,908.49 and 2,881.45

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Solution

The fourth proportional to 5,006.49, 6,908.49 and 2,881.45 is: 3,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.49 : 6,908.49 = 2,881.45 : x
  2. Step 2: Convert to fraction form
    5,006.49/6,908.49 = 2,881.45/x
  3. Step 3: Cross multiply
    5,006.49x = 6,908.49 × 2,881.45
  4. Step 4: Simplify right side
    5,006.49x = 19,906,468.51
  5. Step 5: Solve for x
    x = 19,906,468.51/5,006.49
  6. Step 6: Final answer
    x = 3,976.13

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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.