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Finding the Fourth Proportional to 16,341.20, 22,551.02 and 8,889.20

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Solution

The fourth proportional to 16,341.20, 22,551.02 and 8,889.20 is: 12,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,341.20 : 22,551.02 = 8,889.20 : x
  2. Step 2: Convert to fraction form
    16,341.20/22,551.02 = 8,889.20/x
  3. Step 3: Cross multiply
    16,341.20x = 22,551.02 × 8,889.20
  4. Step 4: Simplify right side
    16,341.20x = 200,460,526.98
  5. Step 5: Solve for x
    x = 200,460,526.98/16,341.20
  6. Step 6: Final answer
    x = 12,267.19

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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.