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Finding the Fourth Proportional to 2,261.08, 3,392.78 and 1,713.08

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Solution

The fourth proportional to 2,261.08, 3,392.78 and 1,713.08 is: 2,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.08 : 3,392.78 = 1,713.08 : x
  2. Step 2: Convert to fraction form
    2,261.08/3,392.78 = 1,713.08/x
  3. Step 3: Cross multiply
    2,261.08x = 3,392.78 × 1,713.08
  4. Step 4: Simplify right side
    2,261.08x = 5,812,103.56
  5. Step 5: Solve for x
    x = 5,812,103.56/2,261.08
  6. Step 6: Final answer
    x = 2,570.50

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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.