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Finding the Fourth Proportional to 64,659.17, 89,219.22 and 36,363.17

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Solution

The fourth proportional to 64,659.17, 89,219.22 and 36,363.17 is: 50,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,659.17 : 89,219.22 = 36,363.17 : x
  2. Step 2: Convert to fraction form
    64,659.17/89,219.22 = 36,363.17/x
  3. Step 3: Cross multiply
    64,659.17x = 89,219.22 × 36,363.17
  4. Step 4: Simplify right side
    64,659.17x = 3,244,293,664.13
  5. Step 5: Solve for x
    x = 3,244,293,664.13/64,659.17
  6. Step 6: Final answer
    x = 50,175.31

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1.5x scale

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.