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Finding the Fourth Proportional to 4,511.86, 6,768.15 and 1,549.12

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Solution

The fourth proportional to 4,511.86, 6,768.15 and 1,549.12 is: 2,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.86 : 6,768.15 = 1,549.12 : x
  2. Step 2: Convert to fraction form
    4,511.86/6,768.15 = 1,549.12/x
  3. Step 3: Cross multiply
    4,511.86x = 6,768.15 × 1,549.12
  4. Step 4: Simplify right side
    4,511.86x = 10,484,651.81
  5. Step 5: Solve for x
    x = 10,484,651.81/4,511.86
  6. Step 6: Final answer
    x = 2,323.80

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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.