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Finding the Fourth Proportional to 29,670.39, 44,506.43 and 9,679.79

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Solution

The fourth proportional to 29,670.39, 44,506.43 and 9,679.79 is: 14,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.39 : 44,506.43 = 9,679.79 : x
  2. Step 2: Convert to fraction form
    29,670.39/44,506.43 = 9,679.79/x
  3. Step 3: Cross multiply
    29,670.39x = 44,506.43 × 9,679.79
  4. Step 4: Simplify right side
    29,670.39x = 430,812,625.12
  5. Step 5: Solve for x
    x = 430,812,625.12/29,670.39
  6. Step 6: Final answer
    x = 14,519.95

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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.