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Finding the Fourth Proportional to 5,880.72, 8,813.04 and 2,961

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Solution

The fourth proportional to 5,880.72, 8,813.04 and 2,961 is: 4,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.72 : 8,813.04 = 2,961 : x
  2. Step 2: Convert to fraction form
    5,880.72/8,813.04 = 2,961/x
  3. Step 3: Cross multiply
    5,880.72x = 8,813.04 × 2,961
  4. Step 4: Simplify right side
    5,880.72x = 26,095,411.44
  5. Step 5: Solve for x
    x = 26,095,411.44/5,880.72
  6. Step 6: Final answer
    x = 4,437.45

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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.