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Finding the Fourth Proportional to 6,574.43, 9,068.91 and 3,886.43

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Solution

The fourth proportional to 6,574.43, 9,068.91 and 3,886.43 is: 5,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574.43 : 9,068.91 = 3,886.43 : x
  2. Step 2: Convert to fraction form
    6,574.43/9,068.91 = 3,886.43/x
  3. Step 3: Cross multiply
    6,574.43x = 9,068.91 × 3,886.43
  4. Step 4: Simplify right side
    6,574.43x = 35,245,638.55
  5. Step 5: Solve for x
    x = 35,245,638.55/6,574.43
  6. Step 6: Final answer
    x = 5,361.02

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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.