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Finding the Fourth Proportional to 16,907.49, 25,353.54 and 7,040.88

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Solution

The fourth proportional to 16,907.49, 25,353.54 and 7,040.88 is: 10,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.49 : 25,353.54 = 7,040.88 : x
  2. Step 2: Convert to fraction form
    16,907.49/25,353.54 = 7,040.88/x
  3. Step 3: Cross multiply
    16,907.49x = 25,353.54 × 7,040.88
  4. Step 4: Simplify right side
    16,907.49x = 178,511,232.72
  5. Step 5: Solve for x
    x = 178,511,232.72/16,907.49
  6. Step 6: Final answer
    x = 10,558.12

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1.5x scale

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.