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Finding the Fourth Proportional to 17,409.94, 26,115.51 and 5,724.07

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Solution

The fourth proportional to 17,409.94, 26,115.51 and 5,724.07 is: 8,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.94 : 26,115.51 = 5,724.07 : x
  2. Step 2: Convert to fraction form
    17,409.94/26,115.51 = 5,724.07/x
  3. Step 3: Cross multiply
    17,409.94x = 26,115.51 × 5,724.07
  4. Step 4: Simplify right side
    17,409.94x = 149,486,963.50
  5. Step 5: Solve for x
    x = 149,486,963.50/17,409.94
  6. Step 6: Final answer
    x = 8,586.30

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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.