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Finding the Fourth Proportional to 14,597.20, 21,901.20 and 4,736.80

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Solution

The fourth proportional to 14,597.20, 21,901.20 and 4,736.80 is: 7,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.20 : 21,901.20 = 4,736.80 : x
  2. Step 2: Convert to fraction form
    14,597.20/21,901.20 = 4,736.80/x
  3. Step 3: Cross multiply
    14,597.20x = 21,901.20 × 4,736.80
  4. Step 4: Simplify right side
    14,597.20x = 103,741,604.16
  5. Step 5: Solve for x
    x = 103,741,604.16/14,597.20
  6. Step 6: Final answer
    x = 7,106.95

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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.