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Finding the Fourth Proportional to 1,823.16, 2,734.58 and 945.62

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Solution

The fourth proportional to 1,823.16, 2,734.58 and 945.62 is: 1,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.16 : 2,734.58 = 945.62 : x
  2. Step 2: Convert to fraction form
    1,823.16/2,734.58 = 945.62/x
  3. Step 3: Cross multiply
    1,823.16x = 2,734.58 × 945.62
  4. Step 4: Simplify right side
    1,823.16x = 2,585,873.54
  5. Step 5: Solve for x
    x = 2,585,873.54/1,823.16
  6. Step 6: Final answer
    x = 1,418.35

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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.