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Finding the Fourth Proportional to 69,806.99, 96,333.18 and 37,976.01

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Solution

The fourth proportional to 69,806.99, 96,333.18 and 37,976.01 is: 52,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,806.99 : 96,333.18 = 37,976.01 : x
  2. Step 2: Convert to fraction form
    69,806.99/96,333.18 = 37,976.01/x
  3. Step 3: Cross multiply
    69,806.99x = 96,333.18 × 37,976.01
  4. Step 4: Simplify right side
    69,806.99x = 3,658,349,807.01
  5. Step 5: Solve for x
    x = 3,658,349,807.01/69,806.99
  6. Step 6: Final answer
    x = 52,406.64

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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.