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Finding the Fourth Proportional to 64,261.63, 96,396.95 and 19,882.54

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Solution

The fourth proportional to 64,261.63, 96,396.95 and 19,882.54 is: 29,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.63 : 96,396.95 = 19,882.54 : x
  2. Step 2: Convert to fraction form
    64,261.63/96,396.95 = 19,882.54/x
  3. Step 3: Cross multiply
    64,261.63x = 96,396.95 × 19,882.54
  4. Step 4: Simplify right side
    64,261.63x = 1,916,616,214.25
  5. Step 5: Solve for x
    x = 1,916,616,214.25/64,261.63
  6. Step 6: Final answer
    x = 29,825.20

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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.