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Finding the Fourth Proportional to 3,050.67, 4,575.20 and 859.53

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Solution

The fourth proportional to 3,050.67, 4,575.20 and 859.53 is: 1,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.67 : 4,575.20 = 859.53 : x
  2. Step 2: Convert to fraction form
    3,050.67/4,575.20 = 859.53/x
  3. Step 3: Cross multiply
    3,050.67x = 4,575.20 × 859.53
  4. Step 4: Simplify right side
    3,050.67x = 3,932,517.36
  5. Step 5: Solve for x
    x = 3,932,517.36/3,050.67
  6. Step 6: Final answer
    x = 1,289.07

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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.