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Finding the Fourth Proportional to 4,994.79, 7,488 and 2,773.50

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Solution

The fourth proportional to 4,994.79, 7,488 and 2,773.50 is: 4,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.79 : 7,488 = 2,773.50 : x
  2. Step 2: Convert to fraction form
    4,994.79/7,488 = 2,773.50/x
  3. Step 3: Cross multiply
    4,994.79x = 7,488 × 2,773.50
  4. Step 4: Simplify right side
    4,994.79x = 20,767,968
  5. Step 5: Solve for x
    x = 20,767,968/4,994.79
  6. Step 6: Final answer
    x = 4,157.93

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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.