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Finding the Fourth Proportional to 3,785.96, 5,671.52 and 2,483.48

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Solution

The fourth proportional to 3,785.96, 5,671.52 and 2,483.48 is: 3,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.96 : 5,671.52 = 2,483.48 : x
  2. Step 2: Convert to fraction form
    3,785.96/5,671.52 = 2,483.48/x
  3. Step 3: Cross multiply
    3,785.96x = 5,671.52 × 2,483.48
  4. Step 4: Simplify right side
    3,785.96x = 14,085,106.49
  5. Step 5: Solve for x
    x = 14,085,106.49/3,785.96
  6. Step 6: Final answer
    x = 3,720.35

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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.