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Finding the Fourth Proportional to 17,509.84, 26,241.23 and 16,388.87

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Solution

The fourth proportional to 17,509.84, 26,241.23 and 16,388.87 is: 24,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.84 : 26,241.23 = 16,388.87 : x
  2. Step 2: Convert to fraction form
    17,509.84/26,241.23 = 16,388.87/x
  3. Step 3: Cross multiply
    17,509.84x = 26,241.23 × 16,388.87
  4. Step 4: Simplify right side
    17,509.84x = 430,064,016.88
  5. Step 5: Solve for x
    x = 430,064,016.88/17,509.84
  6. Step 6: Final answer
    x = 24,561.28

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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.