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Finding the Fourth Proportional to 1,632.55, 2,448.81 and 536.91

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Solution

The fourth proportional to 1,632.55, 2,448.81 and 536.91 is: 805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.55 : 2,448.81 = 536.91 : x
  2. Step 2: Convert to fraction form
    1,632.55/2,448.81 = 536.91/x
  3. Step 3: Cross multiply
    1,632.55x = 2,448.81 × 536.91
  4. Step 4: Simplify right side
    1,632.55x = 1,314,790.58
  5. Step 5: Solve for x
    x = 1,314,790.58/1,632.55
  6. Step 6: Final answer
    x = 805.36

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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.