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Finding the Fourth Proportional to 5,980.56, 8,968.50 and 3,516

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Solution

The fourth proportional to 5,980.56, 8,968.50 and 3,516 is: 5,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.56 : 8,968.50 = 3,516 : x
  2. Step 2: Convert to fraction form
    5,980.56/8,968.50 = 3,516/x
  3. Step 3: Cross multiply
    5,980.56x = 8,968.50 × 3,516
  4. Step 4: Simplify right side
    5,980.56x = 31,533,246
  5. Step 5: Solve for x
    x = 31,533,246/5,980.56
  6. Step 6: Final answer
    x = 5,272.62

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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.