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Finding the Fourth Proportional to 5,873.40, 8,808.54 and 1,977

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Solution

The fourth proportional to 5,873.40, 8,808.54 and 1,977 is: 2,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.40 : 8,808.54 = 1,977 : x
  2. Step 2: Convert to fraction form
    5,873.40/8,808.54 = 1,977/x
  3. Step 3: Cross multiply
    5,873.40x = 8,808.54 × 1,977
  4. Step 4: Simplify right side
    5,873.40x = 17,414,483.58
  5. Step 5: Solve for x
    x = 17,414,483.58/5,873.40
  6. Step 6: Final answer
    x = 2,964.97

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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.