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Finding the Fourth Proportional to 7,104.66, 10,656.99 and 2,722.13

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Solution

The fourth proportional to 7,104.66, 10,656.99 and 2,722.13 is: 4,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.66 : 10,656.99 = 2,722.13 : x
  2. Step 2: Convert to fraction form
    7,104.66/10,656.99 = 2,722.13/x
  3. Step 3: Cross multiply
    7,104.66x = 10,656.99 × 2,722.13
  4. Step 4: Simplify right side
    7,104.66x = 29,009,658.90
  5. Step 5: Solve for x
    x = 29,009,658.90/7,104.66
  6. Step 6: Final answer
    x = 4,083.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.