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Finding the Fourth Proportional to 4,805.34, 6,631.56 and 2,709.42

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Solution

The fourth proportional to 4,805.34, 6,631.56 and 2,709.42 is: 3,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.34 : 6,631.56 = 2,709.42 : x
  2. Step 2: Convert to fraction form
    4,805.34/6,631.56 = 2,709.42/x
  3. Step 3: Cross multiply
    4,805.34x = 6,631.56 × 2,709.42
  4. Step 4: Simplify right side
    4,805.34x = 17,967,681.30
  5. Step 5: Solve for x
    x = 17,967,681.30/4,805.34
  6. Step 6: Final answer
    x = 3,739.11

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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.