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Finding the Fourth Proportional to 17,038.44, 25,554.94 and 8,724.60

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Solution

The fourth proportional to 17,038.44, 25,554.94 and 8,724.60 is: 13,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.44 : 25,554.94 = 8,724.60 : x
  2. Step 2: Convert to fraction form
    17,038.44/25,554.94 = 8,724.60/x
  3. Step 3: Cross multiply
    17,038.44x = 25,554.94 × 8,724.60
  4. Step 4: Simplify right side
    17,038.44x = 222,956,629.52
  5. Step 5: Solve for x
    x = 222,956,629.52/17,038.44
  6. Step 6: Final answer
    x = 13,085.51

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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.