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Finding the Fourth Proportional to 69,952.82, 104,873.79 and 36,666.50

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Solution

The fourth proportional to 69,952.82, 104,873.79 and 36,666.50 is: 54,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.82 : 104,873.79 = 36,666.50 : x
  2. Step 2: Convert to fraction form
    69,952.82/104,873.79 = 36,666.50/x
  3. Step 3: Cross multiply
    69,952.82x = 104,873.79 × 36,666.50
  4. Step 4: Simplify right side
    69,952.82x = 3,845,354,821.04
  5. Step 5: Solve for x
    x = 3,845,354,821.04/69,952.82
  6. Step 6: Final answer
    x = 54,970.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.