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Finding the Fourth Proportional to 8,265.58, 12,394.94 and 3,333.90

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Solution

The fourth proportional to 8,265.58, 12,394.94 and 3,333.90 is: 4,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.58 : 12,394.94 = 3,333.90 : x
  2. Step 2: Convert to fraction form
    8,265.58/12,394.94 = 3,333.90/x
  3. Step 3: Cross multiply
    8,265.58x = 12,394.94 × 3,333.90
  4. Step 4: Simplify right side
    8,265.58x = 41,323,490.47
  5. Step 5: Solve for x
    x = 41,323,490.47/8,265.58
  6. Step 6: Final answer
    x = 4,999.47

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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.