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Finding the Fourth Proportional to 6,892.96, 10,339.42 and 1,962.66

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Solution

The fourth proportional to 6,892.96, 10,339.42 and 1,962.66 is: 2,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.96 : 10,339.42 = 1,962.66 : x
  2. Step 2: Convert to fraction form
    6,892.96/10,339.42 = 1,962.66/x
  3. Step 3: Cross multiply
    6,892.96x = 10,339.42 × 1,962.66
  4. Step 4: Simplify right side
    6,892.96x = 20,292,766.06
  5. Step 5: Solve for x
    x = 20,292,766.06/6,892.96
  6. Step 6: Final answer
    x = 2,943.98

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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.