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Finding the Fourth Proportional to 8,893.75, 13,338.60 and 3,347.68

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Solution

The fourth proportional to 8,893.75, 13,338.60 and 3,347.68 is: 5,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.75 : 13,338.60 = 3,347.68 : x
  2. Step 2: Convert to fraction form
    8,893.75/13,338.60 = 3,347.68/x
  3. Step 3: Cross multiply
    8,893.75x = 13,338.60 × 3,347.68
  4. Step 4: Simplify right side
    8,893.75x = 44,653,364.45
  5. Step 5: Solve for x
    x = 44,653,364.45/8,893.75
  6. Step 6: Final answer
    x = 5,020.76

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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.