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Finding the Fourth Proportional to 69,722.88, 104,585.64 and 22,976.16

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Solution

The fourth proportional to 69,722.88, 104,585.64 and 22,976.16 is: 34,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.88 : 104,585.64 = 22,976.16 : x
  2. Step 2: Convert to fraction form
    69,722.88/104,585.64 = 22,976.16/x
  3. Step 3: Cross multiply
    69,722.88x = 104,585.64 × 22,976.16
  4. Step 4: Simplify right side
    69,722.88x = 2,402,976,398.34
  5. Step 5: Solve for x
    x = 2,402,976,398.34/69,722.88
  6. Step 6: Final answer
    x = 34,464.67

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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.