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Finding the Fourth Proportional to 67,866.35, 93,666.80 and 37,661.37

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Solution

The fourth proportional to 67,866.35, 93,666.80 and 37,661.37 is: 51,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,866.35 : 93,666.80 = 37,661.37 : x
  2. Step 2: Convert to fraction form
    67,866.35/93,666.80 = 37,661.37/x
  3. Step 3: Cross multiply
    67,866.35x = 93,666.80 × 37,661.37
  4. Step 4: Simplify right side
    67,866.35x = 3,527,620,011.52
  5. Step 5: Solve for x
    x = 3,527,620,011.52/67,866.35
  6. Step 6: Final answer
    x = 51,978.93

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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.