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Finding the Fourth Proportional to 7,100.98, 9,799.16 and 4,076.01

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Solution

The fourth proportional to 7,100.98, 9,799.16 and 4,076.01 is: 5,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.98 : 9,799.16 = 4,076.01 : x
  2. Step 2: Convert to fraction form
    7,100.98/9,799.16 = 4,076.01/x
  3. Step 3: Cross multiply
    7,100.98x = 9,799.16 × 4,076.01
  4. Step 4: Simplify right side
    7,100.98x = 39,941,463.96
  5. Step 5: Solve for x
    x = 39,941,463.96/7,100.98
  6. Step 6: Final answer
    x = 5,624.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.