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Finding the Fourth Proportional to 8,650.34, 12,975.51 and 2,076.53

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Solution

The fourth proportional to 8,650.34, 12,975.51 and 2,076.53 is: 3,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.34 : 12,975.51 = 2,076.53 : x
  2. Step 2: Convert to fraction form
    8,650.34/12,975.51 = 2,076.53/x
  3. Step 3: Cross multiply
    8,650.34x = 12,975.51 × 2,076.53
  4. Step 4: Simplify right side
    8,650.34x = 26,943,968.96
  5. Step 5: Solve for x
    x = 26,943,968.96/8,650.34
  6. Step 6: Final answer
    x = 3,114.79

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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.