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Finding the Fourth Proportional to 64,892.24, 89,549.34 and 36,212.68

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Solution

The fourth proportional to 64,892.24, 89,549.34 and 36,212.68 is: 49,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892.24 : 89,549.34 = 36,212.68 : x
  2. Step 2: Convert to fraction form
    64,892.24/89,549.34 = 36,212.68/x
  3. Step 3: Cross multiply
    64,892.24x = 89,549.34 × 36,212.68
  4. Step 4: Simplify right side
    64,892.24x = 3,242,821,593.63
  5. Step 5: Solve for x
    x = 3,242,821,593.63/64,892.24
  6. Step 6: Final answer
    x = 49,972.41

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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.