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Finding the Fourth Proportional to 16,935.08, 23,369.88 and 9,381.10

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Solution

The fourth proportional to 16,935.08, 23,369.88 and 9,381.10 is: 12,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.08 : 23,369.88 = 9,381.10 : x
  2. Step 2: Convert to fraction form
    16,935.08/23,369.88 = 9,381.10/x
  3. Step 3: Cross multiply
    16,935.08x = 23,369.88 × 9,381.10
  4. Step 4: Simplify right side
    16,935.08x = 219,235,181.27
  5. Step 5: Solve for x
    x = 219,235,181.27/16,935.08
  6. Step 6: Final answer
    x = 12,945.62

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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.