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Finding the Fourth Proportional to 24,476.79, 33,769.80 and 16,920.39

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Solution

The fourth proportional to 24,476.79, 33,769.80 and 16,920.39 is: 23,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,476.79 : 33,769.80 = 16,920.39 : x
  2. Step 2: Convert to fraction form
    24,476.79/33,769.80 = 16,920.39/x
  3. Step 3: Cross multiply
    24,476.79x = 33,769.80 × 16,920.39
  4. Step 4: Simplify right side
    24,476.79x = 571,398,186.22
  5. Step 5: Solve for x
    x = 571,398,186.22/24,476.79
  6. Step 6: Final answer
    x = 23,344.49

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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.