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Finding the Fourth Proportional to 4,518.54, 6,780.08 and 1,747.13

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Solution

The fourth proportional to 4,518.54, 6,780.08 and 1,747.13 is: 2,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.54 : 6,780.08 = 1,747.13 : x
  2. Step 2: Convert to fraction form
    4,518.54/6,780.08 = 1,747.13/x
  3. Step 3: Cross multiply
    4,518.54x = 6,780.08 × 1,747.13
  4. Step 4: Simplify right side
    4,518.54x = 11,845,651.64
  5. Step 5: Solve for x
    x = 11,845,651.64/4,518.54
  6. Step 6: Final answer
    x = 2,621.57

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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.