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Finding the Fourth Proportional to 14,653.91, 21,984.35 and 4,793.99

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Solution

The fourth proportional to 14,653.91, 21,984.35 and 4,793.99 is: 7,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.91 : 21,984.35 = 4,793.99 : x
  2. Step 2: Convert to fraction form
    14,653.91/21,984.35 = 4,793.99/x
  3. Step 3: Cross multiply
    14,653.91x = 21,984.35 × 4,793.99
  4. Step 4: Simplify right side
    14,653.91x = 105,392,620.16
  5. Step 5: Solve for x
    x = 105,392,620.16/14,653.91
  6. Step 6: Final answer
    x = 7,192.11

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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.