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Finding the Fourth Proportional to 64,626.96, 89,193.16 and 36,332

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Solution

The fourth proportional to 64,626.96, 89,193.16 and 36,332 is: 50,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626.96 : 89,193.16 = 36,332 : x
  2. Step 2: Convert to fraction form
    64,626.96/89,193.16 = 36,332/x
  3. Step 3: Cross multiply
    64,626.96x = 89,193.16 × 36,332
  4. Step 4: Simplify right side
    64,626.96x = 3,240,565,889.12
  5. Step 5: Solve for x
    x = 3,240,565,889.12/64,626.96
  6. Step 6: Final answer
    x = 50,142.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.