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Finding the Fourth Proportional to 17,937.92, 26,907.36 and 6,843.20

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Solution

The fourth proportional to 17,937.92, 26,907.36 and 6,843.20 is: 10,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.92 : 26,907.36 = 6,843.20 : x
  2. Step 2: Convert to fraction form
    17,937.92/26,907.36 = 6,843.20/x
  3. Step 3: Cross multiply
    17,937.92x = 26,907.36 × 6,843.20
  4. Step 4: Simplify right side
    17,937.92x = 184,132,445.95
  5. Step 5: Solve for x
    x = 184,132,445.95/17,937.92
  6. Step 6: Final answer
    x = 10,264.98

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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.