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Finding the Fourth Proportional to 39,246.49, 58,869.96 and 9,664.11

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Solution

The fourth proportional to 39,246.49, 58,869.96 and 9,664.11 is: 14,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.49 : 58,869.96 = 9,664.11 : x
  2. Step 2: Convert to fraction form
    39,246.49/58,869.96 = 9,664.11/x
  3. Step 3: Cross multiply
    39,246.49x = 58,869.96 × 9,664.11
  4. Step 4: Simplify right side
    39,246.49x = 568,925,732.90
  5. Step 5: Solve for x
    x = 568,925,732.90/39,246.49
  6. Step 6: Final answer
    x = 14,496.22

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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.