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Finding the Fourth Proportional to 7,073.04, 10,610.10 and 2,143.08

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Solution

The fourth proportional to 7,073.04, 10,610.10 and 2,143.08 is: 3,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.04 : 10,610.10 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    7,073.04/10,610.10 = 2,143.08/x
  3. Step 3: Cross multiply
    7,073.04x = 10,610.10 × 2,143.08
  4. Step 4: Simplify right side
    7,073.04x = 22,738,293.11
  5. Step 5: Solve for x
    x = 22,738,293.11/7,073.04
  6. Step 6: Final answer
    x = 3,214.78

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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.