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Finding the Fourth Proportional to 64,614.40, 96,910.32 and 17,230.08

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Solution

The fourth proportional to 64,614.40, 96,910.32 and 17,230.08 is: 25,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,614.40 : 96,910.32 = 17,230.08 : x
  2. Step 2: Convert to fraction form
    64,614.40/96,910.32 = 17,230.08/x
  3. Step 3: Cross multiply
    64,614.40x = 96,910.32 × 17,230.08
  4. Step 4: Simplify right side
    64,614.40x = 1,669,772,566.43
  5. Step 5: Solve for x
    x = 1,669,772,566.43/64,614.40
  6. Step 6: Final answer
    x = 25,842.11

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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.