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Finding the Fourth Proportional to 17,000.10, 25,500.60 and 5,313.60

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Solution

The fourth proportional to 17,000.10, 25,500.60 and 5,313.60 is: 7,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.10 : 25,500.60 = 5,313.60 : x
  2. Step 2: Convert to fraction form
    17,000.10/25,500.60 = 5,313.60/x
  3. Step 3: Cross multiply
    17,000.10x = 25,500.60 × 5,313.60
  4. Step 4: Simplify right side
    17,000.10x = 135,499,988.16
  5. Step 5: Solve for x
    x = 135,499,988.16/17,000.10
  6. Step 6: Final answer
    x = 7,970.54

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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.