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Finding the Fourth Proportional to 9,927.21, 14,892.53 and 3,353.44

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Solution

The fourth proportional to 9,927.21, 14,892.53 and 3,353.44 is: 5,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.21 : 14,892.53 = 3,353.44 : x
  2. Step 2: Convert to fraction form
    9,927.21/14,892.53 = 3,353.44/x
  3. Step 3: Cross multiply
    9,927.21x = 14,892.53 × 3,353.44
  4. Step 4: Simplify right side
    9,927.21x = 49,941,205.80
  5. Step 5: Solve for x
    x = 49,941,205.80/9,927.21
  6. Step 6: Final answer
    x = 5,030.74

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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.