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Finding the Fourth Proportional to 2,880.66, 4,316.67 and 2,060.67

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Solution

The fourth proportional to 2,880.66, 4,316.67 and 2,060.67 is: 3,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.66 : 4,316.67 = 2,060.67 : x
  2. Step 2: Convert to fraction form
    2,880.66/4,316.67 = 2,060.67/x
  3. Step 3: Cross multiply
    2,880.66x = 4,316.67 × 2,060.67
  4. Step 4: Simplify right side
    2,880.66x = 8,895,232.37
  5. Step 5: Solve for x
    x = 8,895,232.37/2,880.66
  6. Step 6: Final answer
    x = 3,087.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.