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Finding the Fourth Proportional to 73,900.50, 110,868.30 and 23,980.74

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Solution

The fourth proportional to 73,900.50, 110,868.30 and 23,980.74 is: 35,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,900.50 : 110,868.30 = 23,980.74 : x
  2. Step 2: Convert to fraction form
    73,900.50/110,868.30 = 23,980.74/x
  3. Step 3: Cross multiply
    73,900.50x = 110,868.30 × 23,980.74
  4. Step 4: Simplify right side
    73,900.50x = 2,658,703,876.54
  5. Step 5: Solve for x
    x = 2,658,703,876.54/73,900.50
  6. Step 6: Final answer
    x = 35,976.80

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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.