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Finding the Fourth Proportional to 6,943.59, 10,415.43 and 2,013.30

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Solution

The fourth proportional to 6,943.59, 10,415.43 and 2,013.30 is: 3,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.59 : 10,415.43 = 2,013.30 : x
  2. Step 2: Convert to fraction form
    6,943.59/10,415.43 = 2,013.30/x
  3. Step 3: Cross multiply
    6,943.59x = 10,415.43 × 2,013.30
  4. Step 4: Simplify right side
    6,943.59x = 20,969,385.22
  5. Step 5: Solve for x
    x = 20,969,385.22/6,943.59
  6. Step 6: Final answer
    x = 3,019.96

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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.