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Finding the Fourth Proportional to 35,425.54, 53,171.12 and 17,907.67

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Solution

The fourth proportional to 35,425.54, 53,171.12 and 17,907.67 is: 26,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.54 : 53,171.12 = 17,907.67 : x
  2. Step 2: Convert to fraction form
    35,425.54/53,171.12 = 17,907.67/x
  3. Step 3: Cross multiply
    35,425.54x = 53,171.12 × 17,907.67
  4. Step 4: Simplify right side
    35,425.54x = 952,170,870.49
  5. Step 5: Solve for x
    x = 952,170,870.49/35,425.54
  6. Step 6: Final answer
    x = 26,878.09

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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.