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Finding the Fourth Proportional to 6,290.32, 8,674.68 and 4,795.60

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Solution

The fourth proportional to 6,290.32, 8,674.68 and 4,795.60 is: 6,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.32 : 8,674.68 = 4,795.60 : x
  2. Step 2: Convert to fraction form
    6,290.32/8,674.68 = 4,795.60/x
  3. Step 3: Cross multiply
    6,290.32x = 8,674.68 × 4,795.60
  4. Step 4: Simplify right side
    6,290.32x = 41,600,295.41
  5. Step 5: Solve for x
    x = 41,600,295.41/6,290.32
  6. Step 6: Final answer
    x = 6,613.38

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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.