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Finding the Fourth Proportional to 1,573.85, 2,361.52 and 1,114.58

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Solution

The fourth proportional to 1,573.85, 2,361.52 and 1,114.58 is: 1,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.85 : 2,361.52 = 1,114.58 : x
  2. Step 2: Convert to fraction form
    1,573.85/2,361.52 = 1,114.58/x
  3. Step 3: Cross multiply
    1,573.85x = 2,361.52 × 1,114.58
  4. Step 4: Simplify right side
    1,573.85x = 2,632,091.15
  5. Step 5: Solve for x
    x = 2,632,091.15/1,573.85
  6. Step 6: Final answer
    x = 1,672.40

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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.