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Finding the Fourth Proportional to 17,628.22, 26,394.94 and 9,290.89

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Solution

The fourth proportional to 17,628.22, 26,394.94 and 9,290.89 is: 13,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.22 : 26,394.94 = 9,290.89 : x
  2. Step 2: Convert to fraction form
    17,628.22/26,394.94 = 9,290.89/x
  3. Step 3: Cross multiply
    17,628.22x = 26,394.94 × 9,290.89
  4. Step 4: Simplify right side
    17,628.22x = 245,232,484.10
  5. Step 5: Solve for x
    x = 245,232,484.10/17,628.22
  6. Step 6: Final answer
    x = 13,911.36

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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.