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Finding the Fourth Proportional to 3,063.47, 4,594.74 and 872.37

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Solution

The fourth proportional to 3,063.47, 4,594.74 and 872.37 is: 1,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.47 : 4,594.74 = 872.37 : x
  2. Step 2: Convert to fraction form
    3,063.47/4,594.74 = 872.37/x
  3. Step 3: Cross multiply
    3,063.47x = 4,594.74 × 872.37
  4. Step 4: Simplify right side
    3,063.47x = 4,008,313.33
  5. Step 5: Solve for x
    x = 4,008,313.33/3,063.47
  6. Step 6: Final answer
    x = 1,308.42

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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.