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Finding the Fourth Proportional to 74,594.81, 102,867.91 and 47,727.52

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Solution

The fourth proportional to 74,594.81, 102,867.91 and 47,727.52 is: 65,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.81 : 102,867.91 = 47,727.52 : x
  2. Step 2: Convert to fraction form
    74,594.81/102,867.91 = 47,727.52/x
  3. Step 3: Cross multiply
    74,594.81x = 102,867.91 × 47,727.52
  4. Step 4: Simplify right side
    74,594.81x = 4,909,629,855.39
  5. Step 5: Solve for x
    x = 4,909,629,855.39/74,594.81
  6. Step 6: Final answer
    x = 65,817.31

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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.