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Finding the Fourth Proportional to 23,980.62, 35,938.02 and 15,221.68

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Solution

The fourth proportional to 23,980.62, 35,938.02 and 15,221.68 is: 22,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.62 : 35,938.02 = 15,221.68 : x
  2. Step 2: Convert to fraction form
    23,980.62/35,938.02 = 15,221.68/x
  3. Step 3: Cross multiply
    23,980.62x = 35,938.02 × 15,221.68
  4. Step 4: Simplify right side
    23,980.62x = 547,037,040.27
  5. Step 5: Solve for x
    x = 547,037,040.27/23,980.62
  6. Step 6: Final answer
    x = 22,811.63

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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.