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Finding the Fourth Proportional to 6,331.65, 8,880.74 and 6,331.65

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Solution

The fourth proportional to 6,331.65, 8,880.74 and 6,331.65 is: 8,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.65 : 8,880.74 = 6,331.65 : x
  2. Step 2: Convert to fraction form
    6,331.65/8,880.74 = 6,331.65/x
  3. Step 3: Cross multiply
    6,331.65x = 8,880.74 × 6,331.65
  4. Step 4: Simplify right side
    6,331.65x = 56,229,705.76
  5. Step 5: Solve for x
    x = 56,229,705.76/6,331.65
  6. Step 6: Final answer
    x = 8,880.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.