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Finding the Fourth Proportional to 17,208.29, 25,813.97 and 6,678.06

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Solution

The fourth proportional to 17,208.29, 25,813.97 and 6,678.06 is: 10,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.29 : 25,813.97 = 6,678.06 : x
  2. Step 2: Convert to fraction form
    17,208.29/25,813.97 = 6,678.06/x
  3. Step 3: Cross multiply
    17,208.29x = 25,813.97 × 6,678.06
  4. Step 4: Simplify right side
    17,208.29x = 172,387,152.87
  5. Step 5: Solve for x
    x = 172,387,152.87/17,208.29
  6. Step 6: Final answer
    x = 10,017.68

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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.