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Finding the Fourth Proportional to 1,851.46, 2,773.95 and 1,558.64

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Solution

The fourth proportional to 1,851.46, 2,773.95 and 1,558.64 is: 2,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.46 : 2,773.95 = 1,558.64 : x
  2. Step 2: Convert to fraction form
    1,851.46/2,773.95 = 1,558.64/x
  3. Step 3: Cross multiply
    1,851.46x = 2,773.95 × 1,558.64
  4. Step 4: Simplify right side
    1,851.46x = 4,323,590.52
  5. Step 5: Solve for x
    x = 4,323,590.52/1,851.46
  6. Step 6: Final answer
    x = 2,335.24

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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.