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Finding the Fourth Proportional to 8,749.94, 13,113.95 and 6,893.73

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Solution

The fourth proportional to 8,749.94, 13,113.95 and 6,893.73 is: 10,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.94 : 13,113.95 = 6,893.73 : x
  2. Step 2: Convert to fraction form
    8,749.94/13,113.95 = 6,893.73/x
  3. Step 3: Cross multiply
    8,749.94x = 13,113.95 × 6,893.73
  4. Step 4: Simplify right side
    8,749.94x = 90,403,996.06
  5. Step 5: Solve for x
    x = 90,403,996.06/8,749.94
  6. Step 6: Final answer
    x = 10,331.96

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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.