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Finding the Fourth Proportional to 40,644.79, 60,967.28 and 21,933.63

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Solution

The fourth proportional to 40,644.79, 60,967.28 and 21,933.63 is: 32,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.79 : 60,967.28 = 21,933.63 : x
  2. Step 2: Convert to fraction form
    40,644.79/60,967.28 = 21,933.63/x
  3. Step 3: Cross multiply
    40,644.79x = 60,967.28 × 21,933.63
  4. Step 4: Simplify right side
    40,644.79x = 1,337,233,816.46
  5. Step 5: Solve for x
    x = 1,337,233,816.46/40,644.79
  6. Step 6: Final answer
    x = 32,900.50

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Similar ratio
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1.5x scale

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.