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Finding the Fourth Proportional to 17,788.23, 26,683.89 and 7,259.04

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Solution

The fourth proportional to 17,788.23, 26,683.89 and 7,259.04 is: 10,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.23 : 26,683.89 = 7,259.04 : x
  2. Step 2: Convert to fraction form
    17,788.23/26,683.89 = 7,259.04/x
  3. Step 3: Cross multiply
    17,788.23x = 26,683.89 × 7,259.04
  4. Step 4: Simplify right side
    17,788.23x = 193,699,424.87
  5. Step 5: Solve for x
    x = 193,699,424.87/17,788.23
  6. Step 6: Final answer
    x = 10,889.19

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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.