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Finding the Fourth Proportional to 17,816.94, 26,702.28 and 7,274.62

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Solution

The fourth proportional to 17,816.94, 26,702.28 and 7,274.62 is: 10,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.94 : 26,702.28 = 7,274.62 : x
  2. Step 2: Convert to fraction form
    17,816.94/26,702.28 = 7,274.62/x
  3. Step 3: Cross multiply
    17,816.94x = 26,702.28 × 7,274.62
  4. Step 4: Simplify right side
    17,816.94x = 194,248,940.13
  5. Step 5: Solve for x
    x = 194,248,940.13/17,816.94
  6. Step 6: Final answer
    x = 10,902.49

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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.