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Finding the Fourth Proportional to 9,799.21, 14,700.44 and 4,539.48

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Solution

The fourth proportional to 9,799.21, 14,700.44 and 4,539.48 is: 6,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.21 : 14,700.44 = 4,539.48 : x
  2. Step 2: Convert to fraction form
    9,799.21/14,700.44 = 4,539.48/x
  3. Step 3: Cross multiply
    9,799.21x = 14,700.44 × 4,539.48
  4. Step 4: Simplify right side
    9,799.21x = 66,732,353.37
  5. Step 5: Solve for x
    x = 66,732,353.37/9,799.21
  6. Step 6: Final answer
    x = 6,809.97

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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.