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Finding the Fourth Proportional to 3,671.83, 5,505.01 and 2,210.65

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Solution

The fourth proportional to 3,671.83, 5,505.01 and 2,210.65 is: 3,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.83 : 5,505.01 = 2,210.65 : x
  2. Step 2: Convert to fraction form
    3,671.83/5,505.01 = 2,210.65/x
  3. Step 3: Cross multiply
    3,671.83x = 5,505.01 × 2,210.65
  4. Step 4: Simplify right side
    3,671.83x = 12,169,650.36
  5. Step 5: Solve for x
    x = 12,169,650.36/3,671.83
  6. Step 6: Final answer
    x = 3,314.33

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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.