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Finding the Fourth Proportional to 17,718.80, 26,578.23 and 16,636.23

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Solution

The fourth proportional to 17,718.80, 26,578.23 and 16,636.23 is: 24,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.80 : 26,578.23 = 16,636.23 : x
  2. Step 2: Convert to fraction form
    17,718.80/26,578.23 = 16,636.23/x
  3. Step 3: Cross multiply
    17,718.80x = 26,578.23 × 16,636.23
  4. Step 4: Simplify right side
    17,718.80x = 442,161,547.27
  5. Step 5: Solve for x
    x = 442,161,547.27/17,718.80
  6. Step 6: Final answer
    x = 24,954.38

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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.