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Finding the Fourth Proportional to 3,046.88, 4,570.32 and 738.38

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Solution

The fourth proportional to 3,046.88, 4,570.32 and 738.38 is: 1,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.88 : 4,570.32 = 738.38 : x
  2. Step 2: Convert to fraction form
    3,046.88/4,570.32 = 738.38/x
  3. Step 3: Cross multiply
    3,046.88x = 4,570.32 × 738.38
  4. Step 4: Simplify right side
    3,046.88x = 3,374,632.88
  5. Step 5: Solve for x
    x = 3,374,632.88/3,046.88
  6. Step 6: Final answer
    x = 1,107.57

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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.