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Finding the Fourth Proportional to 69,585.62, 104,285.48 and 36,235.76

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Solution

The fourth proportional to 69,585.62, 104,285.48 and 36,235.76 is: 54,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,585.62 : 104,285.48 = 36,235.76 : x
  2. Step 2: Convert to fraction form
    69,585.62/104,285.48 = 36,235.76/x
  3. Step 3: Cross multiply
    69,585.62x = 104,285.48 × 36,235.76
  4. Step 4: Simplify right side
    69,585.62x = 3,778,862,922.16
  5. Step 5: Solve for x
    x = 3,778,862,922.16/69,585.62
  6. Step 6: Final answer
    x = 54,305.23

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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.