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Finding the Fourth Proportional to 17,088.15, 25,635.93 and 5,241.96

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Solution

The fourth proportional to 17,088.15, 25,635.93 and 5,241.96 is: 7,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.15 : 25,635.93 = 5,241.96 : x
  2. Step 2: Convert to fraction form
    17,088.15/25,635.93 = 5,241.96/x
  3. Step 3: Cross multiply
    17,088.15x = 25,635.93 × 5,241.96
  4. Step 4: Simplify right side
    17,088.15x = 134,382,519.62
  5. Step 5: Solve for x
    x = 134,382,519.62/17,088.15
  6. Step 6: Final answer
    x = 7,864.08

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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.