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Finding the Fourth Proportional to 3,672.93, 5,068.45 and 1,994.30

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Solution

The fourth proportional to 3,672.93, 5,068.45 and 1,994.30 is: 2,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.93 : 5,068.45 = 1,994.30 : x
  2. Step 2: Convert to fraction form
    3,672.93/5,068.45 = 1,994.30/x
  3. Step 3: Cross multiply
    3,672.93x = 5,068.45 × 1,994.30
  4. Step 4: Simplify right side
    3,672.93x = 10,108,009.84
  5. Step 5: Solve for x
    x = 10,108,009.84/3,672.93
  6. Step 6: Final answer
    x = 2,752.03

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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.