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Finding the Fourth Proportional to 17,358.90, 25,885.92 and 17,201.03

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Solution

The fourth proportional to 17,358.90, 25,885.92 and 17,201.03 is: 25,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.90 : 25,885.92 = 17,201.03 : x
  2. Step 2: Convert to fraction form
    17,358.90/25,885.92 = 17,201.03/x
  3. Step 3: Cross multiply
    17,358.90x = 25,885.92 × 17,201.03
  4. Step 4: Simplify right side
    17,358.90x = 445,264,357.07
  5. Step 5: Solve for x
    x = 445,264,357.07/17,358.90
  6. Step 6: Final answer
    x = 25,650.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.