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Finding the Fourth Proportional to 8,755.50, 13,113.94 and 7,237.27

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Solution

The fourth proportional to 8,755.50, 13,113.94 and 7,237.27 is: 10,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.50 : 13,113.94 = 7,237.27 : x
  2. Step 2: Convert to fraction form
    8,755.50/13,113.94 = 7,237.27/x
  3. Step 3: Cross multiply
    8,755.50x = 13,113.94 × 7,237.27
  4. Step 4: Simplify right side
    8,755.50x = 94,909,124.54
  5. Step 5: Solve for x
    x = 94,909,124.54/8,755.50
  6. Step 6: Final answer
    x = 10,839.94

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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.