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Finding the Fourth Proportional to 23,910.88, 35,859.02 and 19,219.76

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Solution

The fourth proportional to 23,910.88, 35,859.02 and 19,219.76 is: 28,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,910.88 : 35,859.02 = 19,219.76 : x
  2. Step 2: Convert to fraction form
    23,910.88/35,859.02 = 19,219.76/x
  3. Step 3: Cross multiply
    23,910.88x = 35,859.02 × 19,219.76
  4. Step 4: Simplify right side
    23,910.88x = 689,201,895.93
  5. Step 5: Solve for x
    x = 689,201,895.93/23,910.88
  6. Step 6: Final answer
    x = 28,823.78

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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.