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Finding the Fourth Proportional to 64,287.08, 96,446.01 and 26,826.31

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Solution

The fourth proportional to 64,287.08, 96,446.01 and 26,826.31 is: 40,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.08 : 96,446.01 = 26,826.31 : x
  2. Step 2: Convert to fraction form
    64,287.08/96,446.01 = 26,826.31/x
  3. Step 3: Cross multiply
    64,287.08x = 96,446.01 × 26,826.31
  4. Step 4: Simplify right side
    64,287.08x = 2,587,290,534.88
  5. Step 5: Solve for x
    x = 2,587,290,534.88/64,287.08
  6. Step 6: Final answer
    x = 40,245.89

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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.