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Finding the Fourth Proportional to 7,012.99, 10,520.58 and 2,083.12

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Solution

The fourth proportional to 7,012.99, 10,520.58 and 2,083.12 is: 3,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.99 : 10,520.58 = 2,083.12 : x
  2. Step 2: Convert to fraction form
    7,012.99/10,520.58 = 2,083.12/x
  3. Step 3: Cross multiply
    7,012.99x = 10,520.58 × 2,083.12
  4. Step 4: Simplify right side
    7,012.99x = 21,915,630.61
  5. Step 5: Solve for x
    x = 21,915,630.61/7,012.99
  6. Step 6: Final answer
    x = 3,125.01

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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.