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Finding the Fourth Proportional to 33,750.56, 50,625.72 and 9,126.56

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Solution

The fourth proportional to 33,750.56, 50,625.72 and 9,126.56 is: 13,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,750.56 : 50,625.72 = 9,126.56 : x
  2. Step 2: Convert to fraction form
    33,750.56/50,625.72 = 9,126.56/x
  3. Step 3: Cross multiply
    33,750.56x = 50,625.72 × 9,126.56
  4. Step 4: Simplify right side
    33,750.56x = 462,038,671.12
  5. Step 5: Solve for x
    x = 462,038,671.12/33,750.56
  6. Step 6: Final answer
    x = 13,689.81

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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.