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Finding the Fourth Proportional to 3,672.85, 5,068.58 and 1,994.26

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Solution

The fourth proportional to 3,672.85, 5,068.58 and 1,994.26 is: 2,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.85 : 5,068.58 = 1,994.26 : x
  2. Step 2: Convert to fraction form
    3,672.85/5,068.58 = 1,994.26/x
  3. Step 3: Cross multiply
    3,672.85x = 5,068.58 × 1,994.26
  4. Step 4: Simplify right side
    3,672.85x = 10,108,066.35
  5. Step 5: Solve for x
    x = 10,108,066.35/3,672.85
  6. Step 6: Final answer
    x = 2,752.10

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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.