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Finding the Fourth Proportional to 48,916.99, 73,334.04 and 19,355.68

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Solution

The fourth proportional to 48,916.99, 73,334.04 and 19,355.68 is: 29,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.99 : 73,334.04 = 19,355.68 : x
  2. Step 2: Convert to fraction form
    48,916.99/73,334.04 = 19,355.68/x
  3. Step 3: Cross multiply
    48,916.99x = 73,334.04 × 19,355.68
  4. Step 4: Simplify right side
    48,916.99x = 1,419,430,211.35
  5. Step 5: Solve for x
    x = 1,419,430,211.35/48,916.99
  6. Step 6: Final answer
    x = 29,017.12

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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.