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Finding the Fourth Proportional to 60,604.14, 90,916.05 and 17,913.90

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Solution

The fourth proportional to 60,604.14, 90,916.05 and 17,913.90 is: 26,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.14 : 90,916.05 = 17,913.90 : x
  2. Step 2: Convert to fraction form
    60,604.14/90,916.05 = 17,913.90/x
  3. Step 3: Cross multiply
    60,604.14x = 90,916.05 × 17,913.90
  4. Step 4: Simplify right side
    60,604.14x = 1,628,661,028.10
  5. Step 5: Solve for x
    x = 1,628,661,028.10/60,604.14
  6. Step 6: Final answer
    x = 26,873.76

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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.