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Finding the Fourth Proportional to 5,006.95, 6,910.19 and 2,911.07

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Solution

The fourth proportional to 5,006.95, 6,910.19 and 2,911.07 is: 4,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.95 : 6,910.19 = 2,911.07 : x
  2. Step 2: Convert to fraction form
    5,006.95/6,910.19 = 2,911.07/x
  3. Step 3: Cross multiply
    5,006.95x = 6,910.19 × 2,911.07
  4. Step 4: Simplify right side
    5,006.95x = 20,116,046.80
  5. Step 5: Solve for x
    x = 20,116,046.80/5,006.95
  6. Step 6: Final answer
    x = 4,017.62

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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.