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Finding the Fourth Proportional to 3,336.34, 5,005.94 and 1,949.68

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Solution

The fourth proportional to 3,336.34, 5,005.94 and 1,949.68 is: 2,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.34 : 5,005.94 = 1,949.68 : x
  2. Step 2: Convert to fraction form
    3,336.34/5,005.94 = 1,949.68/x
  3. Step 3: Cross multiply
    3,336.34x = 5,005.94 × 1,949.68
  4. Step 4: Simplify right side
    3,336.34x = 9,759,981.10
  5. Step 5: Solve for x
    x = 9,759,981.10/3,336.34
  6. Step 6: Final answer
    x = 2,925.36

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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.