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Finding the Fourth Proportional to 14,636.73, 21,960.02 and 4,643.11

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Solution

The fourth proportional to 14,636.73, 21,960.02 and 4,643.11 is: 6,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.73 : 21,960.02 = 4,643.11 : x
  2. Step 2: Convert to fraction form
    14,636.73/21,960.02 = 4,643.11/x
  3. Step 3: Cross multiply
    14,636.73x = 21,960.02 × 4,643.11
  4. Step 4: Simplify right side
    14,636.73x = 101,962,788.46
  5. Step 5: Solve for x
    x = 101,962,788.46/14,636.73
  6. Step 6: Final answer
    x = 6,966.23

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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.