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Finding the Fourth Proportional to 17,927.76, 26,893.08 and 5,448.88

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Solution

The fourth proportional to 17,927.76, 26,893.08 and 5,448.88 is: 8,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.76 : 26,893.08 = 5,448.88 : x
  2. Step 2: Convert to fraction form
    17,927.76/26,893.08 = 5,448.88/x
  3. Step 3: Cross multiply
    17,927.76x = 26,893.08 × 5,448.88
  4. Step 4: Simplify right side
    17,927.76x = 146,537,165.75
  5. Step 5: Solve for x
    x = 146,537,165.75/17,927.76
  6. Step 6: Final answer
    x = 8,173.76

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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.