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Finding the Fourth Proportional to 9,601.50, 13,250.07 and 5,185.50

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Solution

The fourth proportional to 9,601.50, 13,250.07 and 5,185.50 is: 7,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,601.50 : 13,250.07 = 5,185.50 : x
  2. Step 2: Convert to fraction form
    9,601.50/13,250.07 = 5,185.50/x
  3. Step 3: Cross multiply
    9,601.50x = 13,250.07 × 5,185.50
  4. Step 4: Simplify right side
    9,601.50x = 68,708,237.99
  5. Step 5: Solve for x
    x = 68,708,237.99/9,601.50
  6. Step 6: Final answer
    x = 7,155.99

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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.