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Finding the Fourth Proportional to 17,936.64, 26,904.98 and 8,074.08

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Solution

The fourth proportional to 17,936.64, 26,904.98 and 8,074.08 is: 12,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.64 : 26,904.98 = 8,074.08 : x
  2. Step 2: Convert to fraction form
    17,936.64/26,904.98 = 8,074.08/x
  3. Step 3: Cross multiply
    17,936.64x = 26,904.98 × 8,074.08
  4. Step 4: Simplify right side
    17,936.64x = 217,232,960.92
  5. Step 5: Solve for x
    x = 217,232,960.92/17,936.64
  6. Step 6: Final answer
    x = 12,111.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.