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Finding the Fourth Proportional to 7,073.15, 10,609.29 and 2,690.51

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Solution

The fourth proportional to 7,073.15, 10,609.29 and 2,690.51 is: 4,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.15 : 10,609.29 = 2,690.51 : x
  2. Step 2: Convert to fraction form
    7,073.15/10,609.29 = 2,690.51/x
  3. Step 3: Cross multiply
    7,073.15x = 10,609.29 × 2,690.51
  4. Step 4: Simplify right side
    7,073.15x = 28,544,400.84
  5. Step 5: Solve for x
    x = 28,544,400.84/7,073.15
  6. Step 6: Final answer
    x = 4,035.60

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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.