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Finding the Fourth Proportional to 2,674.88, 4,009.44 and 2,386.88

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Solution

The fourth proportional to 2,674.88, 4,009.44 and 2,386.88 is: 3,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.88 : 4,009.44 = 2,386.88 : x
  2. Step 2: Convert to fraction form
    2,674.88/4,009.44 = 2,386.88/x
  3. Step 3: Cross multiply
    2,674.88x = 4,009.44 × 2,386.88
  4. Step 4: Simplify right side
    2,674.88x = 9,570,052.15
  5. Step 5: Solve for x
    x = 9,570,052.15/2,674.88
  6. Step 6: Final answer
    x = 3,577.75

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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.