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Finding the Fourth Proportional to 5,006.88, 6,909.30 and 2,911.01

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Solution

The fourth proportional to 5,006.88, 6,909.30 and 2,911.01 is: 4,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.88 : 6,909.30 = 2,911.01 : x
  2. Step 2: Convert to fraction form
    5,006.88/6,909.30 = 2,911.01/x
  3. Step 3: Cross multiply
    5,006.88x = 6,909.30 × 2,911.01
  4. Step 4: Simplify right side
    5,006.88x = 20,113,006.85
  5. Step 5: Solve for x
    x = 20,113,006.85/5,006.88
  6. Step 6: Final answer
    x = 4,017.07

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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.