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Finding the Fourth Proportional to 64,450.34, 96,662.65 and 21,751.59

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Solution

The fourth proportional to 64,450.34, 96,662.65 and 21,751.59 is: 32,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.34 : 96,662.65 = 21,751.59 : x
  2. Step 2: Convert to fraction form
    64,450.34/96,662.65 = 21,751.59/x
  3. Step 3: Cross multiply
    64,450.34x = 96,662.65 × 21,751.59
  4. Step 4: Simplify right side
    64,450.34x = 2,102,566,680.00
  5. Step 5: Solve for x
    x = 2,102,566,680.00/64,450.34
  6. Step 6: Final answer
    x = 32,623.05

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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.