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Finding the Fourth Proportional to 17,626.59, 26,439.93 and 4,478.94

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Solution

The fourth proportional to 17,626.59, 26,439.93 and 4,478.94 is: 6,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.59 : 26,439.93 = 4,478.94 : x
  2. Step 2: Convert to fraction form
    17,626.59/26,439.93 = 4,478.94/x
  3. Step 3: Cross multiply
    17,626.59x = 26,439.93 × 4,478.94
  4. Step 4: Simplify right side
    17,626.59x = 118,422,860.07
  5. Step 5: Solve for x
    x = 118,422,860.07/17,626.59
  6. Step 6: Final answer
    x = 6,718.42

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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.