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Finding the Fourth Proportional to 41,985.80, 62,905.80 and 35,424.80

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Solution

The fourth proportional to 41,985.80, 62,905.80 and 35,424.80 is: 53,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.80 : 62,905.80 = 35,424.80 : x
  2. Step 2: Convert to fraction form
    41,985.80/62,905.80 = 35,424.80/x
  3. Step 3: Cross multiply
    41,985.80x = 62,905.80 × 35,424.80
  4. Step 4: Simplify right side
    41,985.80x = 2,228,425,383.84
  5. Step 5: Solve for x
    x = 2,228,425,383.84/41,985.80
  6. Step 6: Final answer
    x = 53,075.69

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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.