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Finding the Fourth Proportional to 2,333.40, 3,497.85 and 946.41

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Solution

The fourth proportional to 2,333.40, 3,497.85 and 946.41 is: 1,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.40 : 3,497.85 = 946.41 : x
  2. Step 2: Convert to fraction form
    2,333.40/3,497.85 = 946.41/x
  3. Step 3: Cross multiply
    2,333.40x = 3,497.85 × 946.41
  4. Step 4: Simplify right side
    2,333.40x = 3,310,400.22
  5. Step 5: Solve for x
    x = 3,310,400.22/2,333.40
  6. Step 6: Final answer
    x = 1,418.70

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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.