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Finding the Fourth Proportional to 17,213.55, 25,823.02 and 7,352.88

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Solution

The fourth proportional to 17,213.55, 25,823.02 and 7,352.88 is: 11,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,213.55 : 25,823.02 = 7,352.88 : x
  2. Step 2: Convert to fraction form
    17,213.55/25,823.02 = 7,352.88/x
  3. Step 3: Cross multiply
    17,213.55x = 25,823.02 × 7,352.88
  4. Step 4: Simplify right side
    17,213.55x = 189,873,567.30
  5. Step 5: Solve for x
    x = 189,873,567.30/17,213.55
  6. Step 6: Final answer
    x = 11,030.47

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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.