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Finding the Fourth Proportional to 14,652.17, 21,978.08 and 3,558.84

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Solution

The fourth proportional to 14,652.17, 21,978.08 and 3,558.84 is: 5,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.17 : 21,978.08 = 3,558.84 : x
  2. Step 2: Convert to fraction form
    14,652.17/21,978.08 = 3,558.84/x
  3. Step 3: Cross multiply
    14,652.17x = 21,978.08 × 3,558.84
  4. Step 4: Simplify right side
    14,652.17x = 78,216,452.43
  5. Step 5: Solve for x
    x = 78,216,452.43/14,652.17
  6. Step 6: Final answer
    x = 5,338.22

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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.