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Finding the Fourth Proportional to 7,012.77, 10,515.21 and 2,330.27

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Solution

The fourth proportional to 7,012.77, 10,515.21 and 2,330.27 is: 3,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.77 : 10,515.21 = 2,330.27 : x
  2. Step 2: Convert to fraction form
    7,012.77/10,515.21 = 2,330.27/x
  3. Step 3: Cross multiply
    7,012.77x = 10,515.21 × 2,330.27
  4. Step 4: Simplify right side
    7,012.77x = 24,503,304.69
  5. Step 5: Solve for x
    x = 24,503,304.69/7,012.77
  6. Step 6: Final answer
    x = 3,494.10

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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.