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Finding the Fourth Proportional to 69,684.95, 104,495.52 and 22,290.86

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Solution

The fourth proportional to 69,684.95, 104,495.52 and 22,290.86 is: 33,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,684.95 : 104,495.52 = 22,290.86 : x
  2. Step 2: Convert to fraction form
    69,684.95/104,495.52 = 22,290.86/x
  3. Step 3: Cross multiply
    69,684.95x = 104,495.52 × 22,290.86
  4. Step 4: Simplify right side
    69,684.95x = 2,329,295,006.95
  5. Step 5: Solve for x
    x = 2,329,295,006.95/69,684.95
  6. Step 6: Final answer
    x = 33,426.08

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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.