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Finding the Fourth Proportional to 3,384.92, 4,671.06 and 1,893.08

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Solution

The fourth proportional to 3,384.92, 4,671.06 and 1,893.08 is: 2,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.92 : 4,671.06 = 1,893.08 : x
  2. Step 2: Convert to fraction form
    3,384.92/4,671.06 = 1,893.08/x
  3. Step 3: Cross multiply
    3,384.92x = 4,671.06 × 1,893.08
  4. Step 4: Simplify right side
    3,384.92x = 8,842,690.26
  5. Step 5: Solve for x
    x = 8,842,690.26/3,384.92
  6. Step 6: Final answer
    x = 2,612.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.