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Finding the Fourth Proportional to 16,341.70, 22,551.93 and 8,890.18

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Solution

The fourth proportional to 16,341.70, 22,551.93 and 8,890.18 is: 12,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,341.70 : 22,551.93 = 8,890.18 : x
  2. Step 2: Convert to fraction form
    16,341.70/22,551.93 = 8,890.18/x
  3. Step 3: Cross multiply
    16,341.70x = 22,551.93 × 8,890.18
  4. Step 4: Simplify right side
    16,341.70x = 200,490,717.05
  5. Step 5: Solve for x
    x = 200,490,717.05/16,341.70
  6. Step 6: Final answer
    x = 12,268.66

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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.