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Finding the Fourth Proportional to 2,941.02, 4,408.65 and 1,210.86

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Solution

The fourth proportional to 2,941.02, 4,408.65 and 1,210.86 is: 1,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.02 : 4,408.65 = 1,210.86 : x
  2. Step 2: Convert to fraction form
    2,941.02/4,408.65 = 1,210.86/x
  3. Step 3: Cross multiply
    2,941.02x = 4,408.65 × 1,210.86
  4. Step 4: Simplify right side
    2,941.02x = 5,338,257.94
  5. Step 5: Solve for x
    x = 5,338,257.94/2,941.02
  6. Step 6: Final answer
    x = 1,815.10

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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.