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Finding the Fourth Proportional to 5,006.99, 6,909.72 and 2,769.05

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Solution

The fourth proportional to 5,006.99, 6,909.72 and 2,769.05 is: 3,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.99 : 6,909.72 = 2,769.05 : x
  2. Step 2: Convert to fraction form
    5,006.99/6,909.72 = 2,769.05/x
  3. Step 3: Cross multiply
    5,006.99x = 6,909.72 × 2,769.05
  4. Step 4: Simplify right side
    5,006.99x = 19,133,360.17
  5. Step 5: Solve for x
    x = 19,133,360.17/5,006.99
  6. Step 6: Final answer
    x = 3,821.33

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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.