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Finding the Fourth Proportional to 17,013.10, 25,520.10 and 5,326.60

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Solution

The fourth proportional to 17,013.10, 25,520.10 and 5,326.60 is: 7,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.10 : 25,520.10 = 5,326.60 : x
  2. Step 2: Convert to fraction form
    17,013.10/25,520.10 = 5,326.60/x
  3. Step 3: Cross multiply
    17,013.10x = 25,520.10 × 5,326.60
  4. Step 4: Simplify right side
    17,013.10x = 135,935,364.66
  5. Step 5: Solve for x
    x = 135,935,364.66/17,013.10
  6. Step 6: Final answer
    x = 7,990.04

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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.