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Finding the Fourth Proportional to 2,023.74, 3,034.74 and 790.47

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Solution

The fourth proportional to 2,023.74, 3,034.74 and 790.47 is: 1,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.74 : 3,034.74 = 790.47 : x
  2. Step 2: Convert to fraction form
    2,023.74/3,034.74 = 790.47/x
  3. Step 3: Cross multiply
    2,023.74x = 3,034.74 × 790.47
  4. Step 4: Simplify right side
    2,023.74x = 2,398,870.93
  5. Step 5: Solve for x
    x = 2,398,870.93/2,023.74
  6. Step 6: Final answer
    x = 1,185.37

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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.