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Finding the Fourth Proportional to 47,990.50, 72,011.67 and 23,366.50

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Solution

The fourth proportional to 47,990.50, 72,011.67 and 23,366.50 is: 35,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.50 : 72,011.67 = 23,366.50 : x
  2. Step 2: Convert to fraction form
    47,990.50/72,011.67 = 23,366.50/x
  3. Step 3: Cross multiply
    47,990.50x = 72,011.67 × 23,366.50
  4. Step 4: Simplify right side
    47,990.50x = 1,682,660,687.06
  5. Step 5: Solve for x
    x = 1,682,660,687.06/47,990.50
  6. Step 6: Final answer
    x = 35,062.37

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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.