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Finding the Fourth Proportional to 8,755.63, 13,100.57 and 5,453.26

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Solution

The fourth proportional to 8,755.63, 13,100.57 and 5,453.26 is: 8,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.63 : 13,100.57 = 5,453.26 : x
  2. Step 2: Convert to fraction form
    8,755.63/13,100.57 = 5,453.26/x
  3. Step 3: Cross multiply
    8,755.63x = 13,100.57 × 5,453.26
  4. Step 4: Simplify right side
    8,755.63x = 71,440,774.79
  5. Step 5: Solve for x
    x = 71,440,774.79/8,755.63
  6. Step 6: Final answer
    x = 8,159.41

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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.