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Finding the Fourth Proportional to 17,920.22, 24,673.41 and 16,259.45

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Solution

The fourth proportional to 17,920.22, 24,673.41 and 16,259.45 is: 22,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.22 : 24,673.41 = 16,259.45 : x
  2. Step 2: Convert to fraction form
    17,920.22/24,673.41 = 16,259.45/x
  3. Step 3: Cross multiply
    17,920.22x = 24,673.41 × 16,259.45
  4. Step 4: Simplify right side
    17,920.22x = 401,176,137.91
  5. Step 5: Solve for x
    x = 401,176,137.91/17,920.22
  6. Step 6: Final answer
    x = 22,386.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.