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Finding the Fourth Proportional to 35,898.39, 49,541.63 and 20,791.08

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Solution

The fourth proportional to 35,898.39, 49,541.63 and 20,791.08 is: 28,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.39 : 49,541.63 = 20,791.08 : x
  2. Step 2: Convert to fraction form
    35,898.39/49,541.63 = 20,791.08/x
  3. Step 3: Cross multiply
    35,898.39x = 49,541.63 × 20,791.08
  4. Step 4: Simplify right side
    35,898.39x = 1,030,023,888.71
  5. Step 5: Solve for x
    x = 1,030,023,888.71/35,898.39
  6. Step 6: Final answer
    x = 28,692.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.