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Finding the Fourth Proportional to 17,855.58, 26,779.73 and 6,758.45

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Solution

The fourth proportional to 17,855.58, 26,779.73 and 6,758.45 is: 10,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.58 : 26,779.73 = 6,758.45 : x
  2. Step 2: Convert to fraction form
    17,855.58/26,779.73 = 6,758.45/x
  3. Step 3: Cross multiply
    17,855.58x = 26,779.73 × 6,758.45
  4. Step 4: Simplify right side
    17,855.58x = 180,989,298.53
  5. Step 5: Solve for x
    x = 180,989,298.53/17,855.58
  6. Step 6: Final answer
    x = 10,136.29

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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.