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Finding the Fourth Proportional to 3,339.75, 4,608.48 and 1,847.46

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Solution

The fourth proportional to 3,339.75, 4,608.48 and 1,847.46 is: 2,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.75 : 4,608.48 = 1,847.46 : x
  2. Step 2: Convert to fraction form
    3,339.75/4,608.48 = 1,847.46/x
  3. Step 3: Cross multiply
    3,339.75x = 4,608.48 × 1,847.46
  4. Step 4: Simplify right side
    3,339.75x = 8,513,973.22
  5. Step 5: Solve for x
    x = 8,513,973.22/3,339.75
  6. Step 6: Final answer
    x = 2,549.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.