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Finding the Fourth Proportional to 64,564.26, 96,879.56 and 26,641.55

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Solution

The fourth proportional to 64,564.26, 96,879.56 and 26,641.55 is: 39,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.26 : 96,879.56 = 26,641.55 : x
  2. Step 2: Convert to fraction form
    64,564.26/96,879.56 = 26,641.55/x
  3. Step 3: Cross multiply
    64,564.26x = 96,879.56 × 26,641.55
  4. Step 4: Simplify right side
    64,564.26x = 2,581,021,024.11
  5. Step 5: Solve for x
    x = 2,581,021,024.11/64,564.26
  6. Step 6: Final answer
    x = 39,976.00

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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.