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Finding the Fourth Proportional to 35,281.40, 52,835.70 and 16,791.80

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Solution

The fourth proportional to 35,281.40, 52,835.70 and 16,791.80 is: 25,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.40 : 52,835.70 = 16,791.80 : x
  2. Step 2: Convert to fraction form
    35,281.40/52,835.70 = 16,791.80/x
  3. Step 3: Cross multiply
    35,281.40x = 52,835.70 × 16,791.80
  4. Step 4: Simplify right side
    35,281.40x = 887,206,507.26
  5. Step 5: Solve for x
    x = 887,206,507.26/35,281.40
  6. Step 6: Final answer
    x = 25,146.58

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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.