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Finding the Fourth Proportional to 17,626.93, 26,388.45 and 15,439.93

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Solution

The fourth proportional to 17,626.93, 26,388.45 and 15,439.93 is: 23,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.93 : 26,388.45 = 15,439.93 : x
  2. Step 2: Convert to fraction form
    17,626.93/26,388.45 = 15,439.93/x
  3. Step 3: Cross multiply
    17,626.93x = 26,388.45 × 15,439.93
  4. Step 4: Simplify right side
    17,626.93x = 407,435,820.81
  5. Step 5: Solve for x
    x = 407,435,820.81/17,626.93
  6. Step 6: Final answer
    x = 23,114.39

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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.