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Finding the Fourth Proportional to 17,967.72, 26,793.29 and 16,721.13

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Solution

The fourth proportional to 17,967.72, 26,793.29 and 16,721.13 is: 24,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.72 : 26,793.29 = 16,721.13 : x
  2. Step 2: Convert to fraction form
    17,967.72/26,793.29 = 16,721.13/x
  3. Step 3: Cross multiply
    17,967.72x = 26,793.29 × 16,721.13
  4. Step 4: Simplify right side
    17,967.72x = 448,014,085.22
  5. Step 5: Solve for x
    x = 448,014,085.22/17,967.72
  6. Step 6: Final answer
    x = 24,934.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.