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Finding the Fourth Proportional to 17,700.78, 26,554.96 and 5,853.92

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Solution

The fourth proportional to 17,700.78, 26,554.96 and 5,853.92 is: 8,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.78 : 26,554.96 = 5,853.92 : x
  2. Step 2: Convert to fraction form
    17,700.78/26,554.96 = 5,853.92/x
  3. Step 3: Cross multiply
    17,700.78x = 26,554.96 × 5,853.92
  4. Step 4: Simplify right side
    17,700.78x = 155,450,611.44
  5. Step 5: Solve for x
    x = 155,450,611.44/17,700.78
  6. Step 6: Final answer
    x = 8,782.13

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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.