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Finding the Fourth Proportional to 25,735.50, 35,190.70 and 25,735.50

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Solution

The fourth proportional to 25,735.50, 35,190.70 and 25,735.50 is: 35,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.50 : 35,190.70 = 25,735.50 : x
  2. Step 2: Convert to fraction form
    25,735.50/35,190.70 = 25,735.50/x
  3. Step 3: Cross multiply
    25,735.50x = 35,190.70 × 25,735.50
  4. Step 4: Simplify right side
    25,735.50x = 905,650,259.85
  5. Step 5: Solve for x
    x = 905,650,259.85/25,735.50
  6. Step 6: Final answer
    x = 35,190.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.