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Finding the Fourth Proportional to 2,894.06, 4,341.36 and 946.46

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Solution

The fourth proportional to 2,894.06, 4,341.36 and 946.46 is: 1,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.06 : 4,341.36 = 946.46 : x
  2. Step 2: Convert to fraction form
    2,894.06/4,341.36 = 946.46/x
  3. Step 3: Cross multiply
    2,894.06x = 4,341.36 × 946.46
  4. Step 4: Simplify right side
    2,894.06x = 4,108,923.59
  5. Step 5: Solve for x
    x = 4,108,923.59/2,894.06
  6. Step 6: Final answer
    x = 1,419.78

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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.