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Finding the Fourth Proportional to 17,219.61, 25,829.42 and 5,541.03

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Solution

The fourth proportional to 17,219.61, 25,829.42 and 5,541.03 is: 8,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.61 : 25,829.42 = 5,541.03 : x
  2. Step 2: Convert to fraction form
    17,219.61/25,829.42 = 5,541.03/x
  3. Step 3: Cross multiply
    17,219.61x = 25,829.42 × 5,541.03
  4. Step 4: Simplify right side
    17,219.61x = 143,121,563.40
  5. Step 5: Solve for x
    x = 143,121,563.40/17,219.61
  6. Step 6: Final answer
    x = 8,311.55

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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.