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Finding the Fourth Proportional to 3,523.86, 4,860.79 and 2,328.86

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Solution

The fourth proportional to 3,523.86, 4,860.79 and 2,328.86 is: 3,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.86 : 4,860.79 = 2,328.86 : x
  2. Step 2: Convert to fraction form
    3,523.86/4,860.79 = 2,328.86/x
  3. Step 3: Cross multiply
    3,523.86x = 4,860.79 × 2,328.86
  4. Step 4: Simplify right side
    3,523.86x = 11,320,075.10
  5. Step 5: Solve for x
    x = 11,320,075.10/3,523.86
  6. Step 6: Final answer
    x = 3,212.41

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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.