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Finding the Fourth Proportional to 2,357.75, 3,536.85 and 626.38

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Solution

The fourth proportional to 2,357.75, 3,536.85 and 626.38 is: 939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.75 : 3,536.85 = 626.38 : x
  2. Step 2: Convert to fraction form
    2,357.75/3,536.85 = 626.38/x
  3. Step 3: Cross multiply
    2,357.75x = 3,536.85 × 626.38
  4. Step 4: Simplify right side
    2,357.75x = 2,215,394.42
  5. Step 5: Solve for x
    x = 2,215,394.42/2,357.75
  6. Step 6: Final answer
    x = 939.62

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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.