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Finding the Fourth Proportional to 3,049.64, 4,570.80 and 1,587.96

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Solution

The fourth proportional to 3,049.64, 4,570.80 and 1,587.96 is: 2,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.64 : 4,570.80 = 1,587.96 : x
  2. Step 2: Convert to fraction form
    3,049.64/4,570.80 = 1,587.96/x
  3. Step 3: Cross multiply
    3,049.64x = 4,570.80 × 1,587.96
  4. Step 4: Simplify right side
    3,049.64x = 7,258,247.57
  5. Step 5: Solve for x
    x = 7,258,247.57/3,049.64
  6. Step 6: Final answer
    x = 2,380.03

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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.