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Finding the Fourth Proportional to 3,328.88, 4,994.14 and 1,248.98

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Solution

The fourth proportional to 3,328.88, 4,994.14 and 1,248.98 is: 1,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.88 : 4,994.14 = 1,248.98 : x
  2. Step 2: Convert to fraction form
    3,328.88/4,994.14 = 1,248.98/x
  3. Step 3: Cross multiply
    3,328.88x = 4,994.14 × 1,248.98
  4. Step 4: Simplify right side
    3,328.88x = 6,237,580.98
  5. Step 5: Solve for x
    x = 6,237,580.98/3,328.88
  6. Step 6: Final answer
    x = 1,873.78

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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.