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Finding the Fourth Proportional to 1,884.74, 2,822.45 and 1,520.24

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Solution

The fourth proportional to 1,884.74, 2,822.45 and 1,520.24 is: 2,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.74 : 2,822.45 = 1,520.24 : x
  2. Step 2: Convert to fraction form
    1,884.74/2,822.45 = 1,520.24/x
  3. Step 3: Cross multiply
    1,884.74x = 2,822.45 × 1,520.24
  4. Step 4: Simplify right side
    1,884.74x = 4,290,779.67
  5. Step 5: Solve for x
    x = 4,290,779.67/1,884.74
  6. Step 6: Final answer
    x = 2,276.60

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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.