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Finding the Fourth Proportional to 3,393.51, 4,674.94 and 2,792.08

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Solution

The fourth proportional to 3,393.51, 4,674.94 and 2,792.08 is: 3,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.51 : 4,674.94 = 2,792.08 : x
  2. Step 2: Convert to fraction form
    3,393.51/4,674.94 = 2,792.08/x
  3. Step 3: Cross multiply
    3,393.51x = 4,674.94 × 2,792.08
  4. Step 4: Simplify right side
    3,393.51x = 13,052,806.48
  5. Step 5: Solve for x
    x = 13,052,806.48/3,393.51
  6. Step 6: Final answer
    x = 3,846.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.