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Finding the Fourth Proportional to 69,023.42, 103,515.11 and 26,894.10

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Solution

The fourth proportional to 69,023.42, 103,515.11 and 26,894.10 is: 40,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,023.42 : 103,515.11 = 26,894.10 : x
  2. Step 2: Convert to fraction form
    69,023.42/103,515.11 = 26,894.10/x
  3. Step 3: Cross multiply
    69,023.42x = 103,515.11 × 26,894.10
  4. Step 4: Simplify right side
    69,023.42x = 2,783,945,585.38
  5. Step 5: Solve for x
    x = 2,783,945,585.38/69,023.42
  6. Step 6: Final answer
    x = 40,333.35

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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.