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Finding the Fourth Proportional to 64,396.52, 96,583.85 and 17,012.13

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Solution

The fourth proportional to 64,396.52, 96,583.85 and 17,012.13 is: 25,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,396.52 : 96,583.85 = 17,012.13 : x
  2. Step 2: Convert to fraction form
    64,396.52/96,583.85 = 17,012.13/x
  3. Step 3: Cross multiply
    64,396.52x = 96,583.85 × 17,012.13
  4. Step 4: Simplify right side
    64,396.52x = 1,643,096,990.84
  5. Step 5: Solve for x
    x = 1,643,096,990.84/64,396.52
  6. Step 6: Final answer
    x = 25,515.31

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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.