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Finding the Fourth Proportional to 64,596, 96,882.80 and 17,836.32

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Solution

The fourth proportional to 64,596, 96,882.80 and 17,836.32 is: 26,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596 : 96,882.80 = 17,836.32 : x
  2. Step 2: Convert to fraction form
    64,596/96,882.80 = 17,836.32/x
  3. Step 3: Cross multiply
    64,596x = 96,882.80 × 17,836.32
  4. Step 4: Simplify right side
    64,596x = 1,728,032,623.30
  5. Step 5: Solve for x
    x = 1,728,032,623.30/64,596
  6. Step 6: Final answer
    x = 26,751.39

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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.