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Finding the Fourth Proportional to 2,049.60, 3,074.48 and 568.98

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Solution

The fourth proportional to 2,049.60, 3,074.48 and 568.98 is: 853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.60 : 3,074.48 = 568.98 : x
  2. Step 2: Convert to fraction form
    2,049.60/3,074.48 = 568.98/x
  3. Step 3: Cross multiply
    2,049.60x = 3,074.48 × 568.98
  4. Step 4: Simplify right side
    2,049.60x = 1,749,317.63
  5. Step 5: Solve for x
    x = 1,749,317.63/2,049.60
  6. Step 6: Final answer
    x = 853.49

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1.5x scale

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.