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Finding the Fourth Proportional to 3,538.40, 4,883.04 and 2,046.40

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Solution

The fourth proportional to 3,538.40, 4,883.04 and 2,046.40 is: 2,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.40 : 4,883.04 = 2,046.40 : x
  2. Step 2: Convert to fraction form
    3,538.40/4,883.04 = 2,046.40/x
  3. Step 3: Cross multiply
    3,538.40x = 4,883.04 × 2,046.40
  4. Step 4: Simplify right side
    3,538.40x = 9,992,653.06
  5. Step 5: Solve for x
    x = 9,992,653.06/3,538.40
  6. Step 6: Final answer
    x = 2,824.06

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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.