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Finding the Fourth Proportional to 1,632.78, 2,448.26 and 536.84

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Solution

The fourth proportional to 1,632.78, 2,448.26 and 536.84 is: 804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.78 : 2,448.26 = 536.84 : x
  2. Step 2: Convert to fraction form
    1,632.78/2,448.26 = 536.84/x
  3. Step 3: Cross multiply
    1,632.78x = 2,448.26 × 536.84
  4. Step 4: Simplify right side
    1,632.78x = 1,314,323.90
  5. Step 5: Solve for x
    x = 1,314,323.90/1,632.78
  6. Step 6: Final answer
    x = 804.96

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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.