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Finding the Fourth Proportional to 64,395.30, 96,581.87 and 17,010.91

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Solution

The fourth proportional to 64,395.30, 96,581.87 and 17,010.91 is: 25,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,395.30 : 96,581.87 = 17,010.91 : x
  2. Step 2: Convert to fraction form
    64,395.30/96,581.87 = 17,010.91/x
  3. Step 3: Cross multiply
    64,395.30x = 96,581.87 × 17,010.91
  4. Step 4: Simplify right side
    64,395.30x = 1,642,945,597.67
  5. Step 5: Solve for x
    x = 1,642,945,597.67/64,395.30
  6. Step 6: Final answer
    x = 25,513.44

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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.