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Finding the Fourth Proportional to 8,951.88, 13,424.60 and 3,403.74

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Solution

The fourth proportional to 8,951.88, 13,424.60 and 3,403.74 is: 5,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.88 : 13,424.60 = 3,403.74 : x
  2. Step 2: Convert to fraction form
    8,951.88/13,424.60 = 3,403.74/x
  3. Step 3: Cross multiply
    8,951.88x = 13,424.60 × 3,403.74
  4. Step 4: Simplify right side
    8,951.88x = 45,693,848.00
  5. Step 5: Solve for x
    x = 45,693,848.00/8,951.88
  6. Step 6: Final answer
    x = 5,104.39

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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.