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Finding the Fourth Proportional to 3,020.59, 4,523.14 and 1,788.89

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Solution

The fourth proportional to 3,020.59, 4,523.14 and 1,788.89 is: 2,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.59 : 4,523.14 = 1,788.89 : x
  2. Step 2: Convert to fraction form
    3,020.59/4,523.14 = 1,788.89/x
  3. Step 3: Cross multiply
    3,020.59x = 4,523.14 × 1,788.89
  4. Step 4: Simplify right side
    3,020.59x = 8,091,379.54
  5. Step 5: Solve for x
    x = 8,091,379.54/3,020.59
  6. Step 6: Final answer
    x = 2,678.74

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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.