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Finding the Fourth Proportional to 30,667, 46,008.60 and 9,891.04

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Solution

The fourth proportional to 30,667, 46,008.60 and 9,891.04 is: 14,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667 : 46,008.60 = 9,891.04 : x
  2. Step 2: Convert to fraction form
    30,667/46,008.60 = 9,891.04/x
  3. Step 3: Cross multiply
    30,667x = 46,008.60 × 9,891.04
  4. Step 4: Simplify right side
    30,667x = 455,072,902.94
  5. Step 5: Solve for x
    x = 455,072,902.94/30,667
  6. Step 6: Final answer
    x = 14,839.17

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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.