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Finding the Fourth Proportional to 3,333.47, 4,994.70 and 1,140.99

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Solution

The fourth proportional to 3,333.47, 4,994.70 and 1,140.99 is: 1,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.47 : 4,994.70 = 1,140.99 : x
  2. Step 2: Convert to fraction form
    3,333.47/4,994.70 = 1,140.99/x
  3. Step 3: Cross multiply
    3,333.47x = 4,994.70 × 1,140.99
  4. Step 4: Simplify right side
    3,333.47x = 5,698,902.75
  5. Step 5: Solve for x
    x = 5,698,902.75/3,333.47
  6. Step 6: Final answer
    x = 1,709.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.