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Finding the Fourth Proportional to 6,008.64, 8,290.92 and 3,491.16

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Solution

The fourth proportional to 6,008.64, 8,290.92 and 3,491.16 is: 4,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,008.64 : 8,290.92 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    6,008.64/8,290.92 = 3,491.16/x
  3. Step 3: Cross multiply
    6,008.64x = 8,290.92 × 3,491.16
  4. Step 4: Simplify right side
    6,008.64x = 28,944,928.27
  5. Step 5: Solve for x
    x = 28,944,928.27/6,008.64
  6. Step 6: Final answer
    x = 4,817.22

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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.