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Finding the Fourth Proportional to 1,632.09, 2,447.61 and 536.20

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Solution

The fourth proportional to 1,632.09, 2,447.61 and 536.20 is: 804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.09 : 2,447.61 = 536.20 : x
  2. Step 2: Convert to fraction form
    1,632.09/2,447.61 = 536.20/x
  3. Step 3: Cross multiply
    1,632.09x = 2,447.61 × 536.20
  4. Step 4: Simplify right side
    1,632.09x = 1,312,402.36
  5. Step 5: Solve for x
    x = 1,312,402.36/1,632.09
  6. Step 6: Final answer
    x = 804.13

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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.