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Finding the Fourth Proportional to 17,203.40, 25,805.64 and 6,109.91

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Solution

The fourth proportional to 17,203.40, 25,805.64 and 6,109.91 is: 9,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.40 : 25,805.64 = 6,109.91 : x
  2. Step 2: Convert to fraction form
    17,203.40/25,805.64 = 6,109.91/x
  3. Step 3: Cross multiply
    17,203.40x = 25,805.64 × 6,109.91
  4. Step 4: Simplify right side
    17,203.40x = 157,670,137.89
  5. Step 5: Solve for x
    x = 157,670,137.89/17,203.40
  6. Step 6: Final answer
    x = 9,165.06

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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.