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Finding the Fourth Proportional to 9,954.68, 14,929.38 and 3,379.50

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Solution

The fourth proportional to 9,954.68, 14,929.38 and 3,379.50 is: 5,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.68 : 14,929.38 = 3,379.50 : x
  2. Step 2: Convert to fraction form
    9,954.68/14,929.38 = 3,379.50/x
  3. Step 3: Cross multiply
    9,954.68x = 14,929.38 × 3,379.50
  4. Step 4: Simplify right side
    9,954.68x = 50,453,839.71
  5. Step 5: Solve for x
    x = 50,453,839.71/9,954.68
  6. Step 6: Final answer
    x = 5,068.36

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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.