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Finding the Fourth Proportional to 69,807.79, 96,333.69 and 37,975.96

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Solution

The fourth proportional to 69,807.79, 96,333.69 and 37,975.96 is: 52,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.79 : 96,333.69 = 37,975.96 : x
  2. Step 2: Convert to fraction form
    69,807.79/96,333.69 = 37,975.96/x
  3. Step 3: Cross multiply
    69,807.79x = 96,333.69 × 37,975.96
  4. Step 4: Simplify right side
    69,807.79x = 3,658,364,358.09
  5. Step 5: Solve for x
    x = 3,658,364,358.09/69,807.79
  6. Step 6: Final answer
    x = 52,406.25

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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.