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Finding the Fourth Proportional to 5,006.53, 6,909.65 and 2,910.25

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Solution

The fourth proportional to 5,006.53, 6,909.65 and 2,910.25 is: 4,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.53 : 6,909.65 = 2,910.25 : x
  2. Step 2: Convert to fraction form
    5,006.53/6,909.65 = 2,910.25/x
  3. Step 3: Cross multiply
    5,006.53x = 6,909.65 × 2,910.25
  4. Step 4: Simplify right side
    5,006.53x = 20,108,808.91
  5. Step 5: Solve for x
    x = 20,108,808.91/5,006.53
  6. Step 6: Final answer
    x = 4,016.52

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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.