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Finding the Fourth Proportional to 4,642.88, 6,406.98 and 2,546.88

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Solution

The fourth proportional to 4,642.88, 6,406.98 and 2,546.88 is: 3,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.88 : 6,406.98 = 2,546.88 : x
  2. Step 2: Convert to fraction form
    4,642.88/6,406.98 = 2,546.88/x
  3. Step 3: Cross multiply
    4,642.88x = 6,406.98 × 2,546.88
  4. Step 4: Simplify right side
    4,642.88x = 16,317,809.22
  5. Step 5: Solve for x
    x = 16,317,809.22/4,642.88
  6. Step 6: Final answer
    x = 3,514.59

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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.