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Finding the Fourth Proportional to 17,779.70, 26,647.23 and 9,016.82

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Solution

The fourth proportional to 17,779.70, 26,647.23 and 9,016.82 is: 13,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.70 : 26,647.23 = 9,016.82 : x
  2. Step 2: Convert to fraction form
    17,779.70/26,647.23 = 9,016.82/x
  3. Step 3: Cross multiply
    17,779.70x = 26,647.23 × 9,016.82
  4. Step 4: Simplify right side
    17,779.70x = 240,273,276.41
  5. Step 5: Solve for x
    x = 240,273,276.41/17,779.70
  6. Step 6: Final answer
    x = 13,513.91

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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.