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Finding the Fourth Proportional to 2,894.56, 4,340.92 and 946.24

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Solution

The fourth proportional to 2,894.56, 4,340.92 and 946.24 is: 1,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.56 : 4,340.92 = 946.24 : x
  2. Step 2: Convert to fraction form
    2,894.56/4,340.92 = 946.24/x
  3. Step 3: Cross multiply
    2,894.56x = 4,340.92 × 946.24
  4. Step 4: Simplify right side
    2,894.56x = 4,107,552.14
  5. Step 5: Solve for x
    x = 4,107,552.14/2,894.56
  6. Step 6: Final answer
    x = 1,419.06

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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.