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Finding the Fourth Proportional to 6,285.72, 8,673.86 and 4,794.60

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Solution

The fourth proportional to 6,285.72, 8,673.86 and 4,794.60 is: 6,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.72 : 8,673.86 = 4,794.60 : x
  2. Step 2: Convert to fraction form
    6,285.72/8,673.86 = 4,794.60/x
  3. Step 3: Cross multiply
    6,285.72x = 8,673.86 × 4,794.60
  4. Step 4: Simplify right side
    6,285.72x = 41,587,689.16
  5. Step 5: Solve for x
    x = 41,587,689.16/6,285.72
  6. Step 6: Final answer
    x = 6,616.22

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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.