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Finding the Fourth Proportional to 16,898.30, 23,318.79 and 9,446.30

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Solution

The fourth proportional to 16,898.30, 23,318.79 and 9,446.30 is: 13,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.30 : 23,318.79 = 9,446.30 : x
  2. Step 2: Convert to fraction form
    16,898.30/23,318.79 = 9,446.30/x
  3. Step 3: Cross multiply
    16,898.30x = 23,318.79 × 9,446.30
  4. Step 4: Simplify right side
    16,898.30x = 220,276,285.98
  5. Step 5: Solve for x
    x = 220,276,285.98/16,898.30
  6. Step 6: Final answer
    x = 13,035.41

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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.