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Finding the Fourth Proportional to 8,293.67, 12,442.95 and 3,366.86

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Solution

The fourth proportional to 8,293.67, 12,442.95 and 3,366.86 is: 5,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.67 : 12,442.95 = 3,366.86 : x
  2. Step 2: Convert to fraction form
    8,293.67/12,442.95 = 3,366.86/x
  3. Step 3: Cross multiply
    8,293.67x = 12,442.95 × 3,366.86
  4. Step 4: Simplify right side
    8,293.67x = 41,893,670.64
  5. Step 5: Solve for x
    x = 41,893,670.64/8,293.67
  6. Step 6: Final answer
    x = 5,051.28

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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.