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Finding the Fourth Proportional to 16,305.67, 22,501.74 and 8,853.67

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Solution

The fourth proportional to 16,305.67, 22,501.74 and 8,853.67 is: 12,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,305.67 : 22,501.74 = 8,853.67 : x
  2. Step 2: Convert to fraction form
    16,305.67/22,501.74 = 8,853.67/x
  3. Step 3: Cross multiply
    16,305.67x = 22,501.74 × 8,853.67
  4. Step 4: Simplify right side
    16,305.67x = 199,222,980.39
  5. Step 5: Solve for x
    x = 199,222,980.39/16,305.67
  6. Step 6: Final answer
    x = 12,218.02

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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.