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Finding the Fourth Proportional to 7,012.77, 10,520.16 and 2,331.24

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Solution

The fourth proportional to 7,012.77, 10,520.16 and 2,331.24 is: 3,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.77 : 10,520.16 = 2,331.24 : x
  2. Step 2: Convert to fraction form
    7,012.77/10,520.16 = 2,331.24/x
  3. Step 3: Cross multiply
    7,012.77x = 10,520.16 × 2,331.24
  4. Step 4: Simplify right side
    7,012.77x = 24,525,017.80
  5. Step 5: Solve for x
    x = 24,525,017.80/7,012.77
  6. Step 6: Final answer
    x = 3,497.19

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Similar ratio
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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.