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Finding the Fourth Proportional to 2,994.84, 4,135.50 and 1,877.72

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Solution

The fourth proportional to 2,994.84, 4,135.50 and 1,877.72 is: 2,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.84 : 4,135.50 = 1,877.72 : x
  2. Step 2: Convert to fraction form
    2,994.84/4,135.50 = 1,877.72/x
  3. Step 3: Cross multiply
    2,994.84x = 4,135.50 × 1,877.72
  4. Step 4: Simplify right side
    2,994.84x = 7,765,290.38
  5. Step 5: Solve for x
    x = 7,765,290.38/2,994.84
  6. Step 6: Final answer
    x = 2,592.89

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Why These Related Problems?

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