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Finding the Fourth Proportional to 2,357.81, 3,536.59 and 797.70

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Solution

The fourth proportional to 2,357.81, 3,536.59 and 797.70 is: 1,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.81 : 3,536.59 = 797.70 : x
  2. Step 2: Convert to fraction form
    2,357.81/3,536.59 = 797.70/x
  3. Step 3: Cross multiply
    2,357.81x = 3,536.59 × 797.70
  4. Step 4: Simplify right side
    2,357.81x = 2,821,137.84
  5. Step 5: Solve for x
    x = 2,821,137.84/2,357.81
  6. Step 6: Final answer
    x = 1,196.51

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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.