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Finding the Fourth Proportional to 64,586, 96,911.96 and 26,663.28

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Solution

The fourth proportional to 64,586, 96,911.96 and 26,663.28 is: 40,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586 : 96,911.96 = 26,663.28 : x
  2. Step 2: Convert to fraction form
    64,586/96,911.96 = 26,663.28/x
  3. Step 3: Cross multiply
    64,586x = 96,911.96 × 26,663.28
  4. Step 4: Simplify right side
    64,586x = 2,583,990,724.83
  5. Step 5: Solve for x
    x = 2,583,990,724.83/64,586
  6. Step 6: Final answer
    x = 40,008.53

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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.