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Finding the Fourth Proportional to 30,661.83, 45,991.44 and 9,601.41

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Solution

The fourth proportional to 30,661.83, 45,991.44 and 9,601.41 is: 14,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,661.83 : 45,991.44 = 9,601.41 : x
  2. Step 2: Convert to fraction form
    30,661.83/45,991.44 = 9,601.41/x
  3. Step 3: Cross multiply
    30,661.83x = 45,991.44 × 9,601.41
  4. Step 4: Simplify right side
    30,661.83x = 441,582,494.02
  5. Step 5: Solve for x
    x = 441,582,494.02/30,661.83
  6. Step 6: Final answer
    x = 14,401.70

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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.