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Finding the Fourth Proportional to 17,894.52, 26,838.72 and 4,748.22

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Solution

The fourth proportional to 17,894.52, 26,838.72 and 4,748.22 is: 7,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.52 : 26,838.72 = 4,748.22 : x
  2. Step 2: Convert to fraction form
    17,894.52/26,838.72 = 4,748.22/x
  3. Step 3: Cross multiply
    17,894.52x = 26,838.72 × 4,748.22
  4. Step 4: Simplify right side
    17,894.52x = 127,436,147.08
  5. Step 5: Solve for x
    x = 127,436,147.08/17,894.52
  6. Step 6: Final answer
    x = 7,121.52

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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.