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Finding the Fourth Proportional to 6,260.96, 8,640.32 and 3,466.72

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Solution

The fourth proportional to 6,260.96, 8,640.32 and 3,466.72 is: 4,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.96 : 8,640.32 = 3,466.72 : x
  2. Step 2: Convert to fraction form
    6,260.96/8,640.32 = 3,466.72/x
  3. Step 3: Cross multiply
    6,260.96x = 8,640.32 × 3,466.72
  4. Step 4: Simplify right side
    6,260.96x = 29,953,570.15
  5. Step 5: Solve for x
    x = 29,953,570.15/6,260.96
  6. Step 6: Final answer
    x = 4,784.18

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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.