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Finding the Fourth Proportional to 45,085.50, 62,220.87 and 25,213.50

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Solution

The fourth proportional to 45,085.50, 62,220.87 and 25,213.50 is: 34,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.50 : 62,220.87 = 25,213.50 : x
  2. Step 2: Convert to fraction form
    45,085.50/62,220.87 = 25,213.50/x
  3. Step 3: Cross multiply
    45,085.50x = 62,220.87 × 25,213.50
  4. Step 4: Simplify right side
    45,085.50x = 1,568,805,905.75
  5. Step 5: Solve for x
    x = 1,568,805,905.75/45,085.50
  6. Step 6: Final answer
    x = 34,796.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.