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Finding the Fourth Proportional to 15,563.54, 23,354.87 and 8,173.31

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Solution

The fourth proportional to 15,563.54, 23,354.87 and 8,173.31 is: 12,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.54 : 23,354.87 = 8,173.31 : x
  2. Step 2: Convert to fraction form
    15,563.54/23,354.87 = 8,173.31/x
  3. Step 3: Cross multiply
    15,563.54x = 23,354.87 × 8,173.31
  4. Step 4: Simplify right side
    15,563.54x = 190,886,434.88
  5. Step 5: Solve for x
    x = 190,886,434.88/15,563.54
  6. Step 6: Final answer
    x = 12,264.97

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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.