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Finding the Fourth Proportional to 5,074.44, 7,000.80 and 3,751.32

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Solution

The fourth proportional to 5,074.44, 7,000.80 and 3,751.32 is: 5,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.44 : 7,000.80 = 3,751.32 : x
  2. Step 2: Convert to fraction form
    5,074.44/7,000.80 = 3,751.32/x
  3. Step 3: Cross multiply
    5,074.44x = 7,000.80 × 3,751.32
  4. Step 4: Simplify right side
    5,074.44x = 26,262,241.06
  5. Step 5: Solve for x
    x = 26,262,241.06/5,074.44
  6. Step 6: Final answer
    x = 5,175.40

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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.