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Finding the Fourth Proportional to 1,851.88, 2,549.10 and 1,676.92

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Solution

The fourth proportional to 1,851.88, 2,549.10 and 1,676.92 is: 2,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.88 : 2,549.10 = 1,676.92 : x
  2. Step 2: Convert to fraction form
    1,851.88/2,549.10 = 1,676.92/x
  3. Step 3: Cross multiply
    1,851.88x = 2,549.10 × 1,676.92
  4. Step 4: Simplify right side
    1,851.88x = 4,274,636.77
  5. Step 5: Solve for x
    x = 4,274,636.77/1,851.88
  6. Step 6: Final answer
    x = 2,308.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.