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Finding the Fourth Proportional to 5,276.88, 7,916.33 and 1,579.03

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Solution

The fourth proportional to 5,276.88, 7,916.33 and 1,579.03 is: 2,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.88 : 7,916.33 = 1,579.03 : x
  2. Step 2: Convert to fraction form
    5,276.88/7,916.33 = 1,579.03/x
  3. Step 3: Cross multiply
    5,276.88x = 7,916.33 × 1,579.03
  4. Step 4: Simplify right side
    5,276.88x = 12,500,106.72
  5. Step 5: Solve for x
    x = 12,500,106.72/5,276.88
  6. Step 6: Final answer
    x = 2,368.84

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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.