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Finding the Fourth Proportional to 6,134.88, 8,466.16 and 3,340.40

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Solution

The fourth proportional to 6,134.88, 8,466.16 and 3,340.40 is: 4,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,134.88 : 8,466.16 = 3,340.40 : x
  2. Step 2: Convert to fraction form
    6,134.88/8,466.16 = 3,340.40/x
  3. Step 3: Cross multiply
    6,134.88x = 8,466.16 × 3,340.40
  4. Step 4: Simplify right side
    6,134.88x = 28,280,360.86
  5. Step 5: Solve for x
    x = 28,280,360.86/6,134.88
  6. Step 6: Final answer
    x = 4,609.77

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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.