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Finding the Fourth Proportional to 64,398, 96,586.62 and 17,639.94

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Solution

The fourth proportional to 64,398, 96,586.62 and 17,639.94 is: 26,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398 : 96,586.62 = 17,639.94 : x
  2. Step 2: Convert to fraction form
    64,398/96,586.62 = 17,639.94/x
  3. Step 3: Cross multiply
    64,398x = 96,586.62 × 17,639.94
  4. Step 4: Simplify right side
    64,398x = 1,703,782,181.60
  5. Step 5: Solve for x
    x = 1,703,782,181.60/64,398
  6. Step 6: Final answer
    x = 26,457.07

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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.