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Finding the Fourth Proportional to 69,641.76, 104,465.06 and 22,898.28

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Solution

The fourth proportional to 69,641.76, 104,465.06 and 22,898.28 is: 34,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,641.76 : 104,465.06 = 22,898.28 : x
  2. Step 2: Convert to fraction form
    69,641.76/104,465.06 = 22,898.28/x
  3. Step 3: Cross multiply
    69,641.76x = 104,465.06 × 22,898.28
  4. Step 4: Simplify right side
    69,641.76x = 2,392,070,194.10
  5. Step 5: Solve for x
    x = 2,392,070,194.10/69,641.76
  6. Step 6: Final answer
    x = 34,348.22

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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.