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Finding the Fourth Proportional to 19,224.62, 28,826.70 and 9,860.84

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Solution

The fourth proportional to 19,224.62, 28,826.70 and 9,860.84 is: 14,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.62 : 28,826.70 = 9,860.84 : x
  2. Step 2: Convert to fraction form
    19,224.62/28,826.70 = 9,860.84/x
  3. Step 3: Cross multiply
    19,224.62x = 28,826.70 × 9,860.84
  4. Step 4: Simplify right side
    19,224.62x = 284,255,476.43
  5. Step 5: Solve for x
    x = 284,255,476.43/19,224.62
  6. Step 6: Final answer
    x = 14,786.01

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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.