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Finding the Fourth Proportional to 6,654.35, 9,182.69 and 3,819.75

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Solution

The fourth proportional to 6,654.35, 9,182.69 and 3,819.75 is: 5,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.35 : 9,182.69 = 3,819.75 : x
  2. Step 2: Convert to fraction form
    6,654.35/9,182.69 = 3,819.75/x
  3. Step 3: Cross multiply
    6,654.35x = 9,182.69 × 3,819.75
  4. Step 4: Simplify right side
    6,654.35x = 35,075,561.03
  5. Step 5: Solve for x
    x = 35,075,561.03/6,654.35
  6. Step 6: Final answer
    x = 5,271.08

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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.