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Finding the Fourth Proportional to 69,209.62, 95,509.26 and 37,378.51

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Solution

The fourth proportional to 69,209.62, 95,509.26 and 37,378.51 is: 51,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.62 : 95,509.26 = 37,378.51 : x
  2. Step 2: Convert to fraction form
    69,209.62/95,509.26 = 37,378.51/x
  3. Step 3: Cross multiply
    69,209.62x = 95,509.26 × 37,378.51
  4. Step 4: Simplify right side
    69,209.62x = 3,569,993,830.00
  5. Step 5: Solve for x
    x = 3,569,993,830.00/69,209.62
  6. Step 6: Final answer
    x = 51,582.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.