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Finding the Fourth Proportional to 5,980.68, 8,973.04 and 2,648.47

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Solution

The fourth proportional to 5,980.68, 8,973.04 and 2,648.47 is: 3,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.68 : 8,973.04 = 2,648.47 : x
  2. Step 2: Convert to fraction form
    5,980.68/8,973.04 = 2,648.47/x
  3. Step 3: Cross multiply
    5,980.68x = 8,973.04 × 2,648.47
  4. Step 4: Simplify right side
    5,980.68x = 23,764,782.38
  5. Step 5: Solve for x
    x = 23,764,782.38/5,980.68
  6. Step 6: Final answer
    x = 3,973.60

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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.