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Finding the Fourth Proportional to 7,013.95, 10,520.11 and 2,083.08

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Solution

The fourth proportional to 7,013.95, 10,520.11 and 2,083.08 is: 3,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.95 : 10,520.11 = 2,083.08 : x
  2. Step 2: Convert to fraction form
    7,013.95/10,520.11 = 2,083.08/x
  3. Step 3: Cross multiply
    7,013.95x = 10,520.11 × 2,083.08
  4. Step 4: Simplify right side
    7,013.95x = 21,914,230.74
  5. Step 5: Solve for x
    x = 21,914,230.74/7,013.95
  6. Step 6: Final answer
    x = 3,124.38

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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.