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Finding the Fourth Proportional to 2,993.76, 4,485.16 and 1,675.48

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Solution

The fourth proportional to 2,993.76, 4,485.16 and 1,675.48 is: 2,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.76 : 4,485.16 = 1,675.48 : x
  2. Step 2: Convert to fraction form
    2,993.76/4,485.16 = 1,675.48/x
  3. Step 3: Cross multiply
    2,993.76x = 4,485.16 × 1,675.48
  4. Step 4: Simplify right side
    2,993.76x = 7,514,795.88
  5. Step 5: Solve for x
    x = 7,514,795.88/2,993.76
  6. Step 6: Final answer
    x = 2,510.15

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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.