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Finding the Fourth Proportional to 17,779.82, 26,684.31 and 9,017.24

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Solution

The fourth proportional to 17,779.82, 26,684.31 and 9,017.24 is: 13,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.82 : 26,684.31 = 9,017.24 : x
  2. Step 2: Convert to fraction form
    17,779.82/26,684.31 = 9,017.24/x
  3. Step 3: Cross multiply
    17,779.82x = 26,684.31 × 9,017.24
  4. Step 4: Simplify right side
    17,779.82x = 240,618,694.08
  5. Step 5: Solve for x
    x = 240,618,694.08/17,779.82
  6. Step 6: Final answer
    x = 13,533.25

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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.