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Finding the Fourth Proportional to 69,008.22, 103,455.72 and 35,737.74

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Solution

The fourth proportional to 69,008.22, 103,455.72 and 35,737.74 is: 53,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008.22 : 103,455.72 = 35,737.74 : x
  2. Step 2: Convert to fraction form
    69,008.22/103,455.72 = 35,737.74/x
  3. Step 3: Cross multiply
    69,008.22x = 103,455.72 × 35,737.74
  4. Step 4: Simplify right side
    69,008.22x = 3,697,273,622.87
  5. Step 5: Solve for x
    x = 3,697,273,622.87/69,008.22
  6. Step 6: Final answer
    x = 53,577.29

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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.