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Finding the Fourth Proportional to 24,578.69, 33,809.00 and 21,538.76

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Solution

The fourth proportional to 24,578.69, 33,809.00 and 21,538.76 is: 29,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,578.69 : 33,809.00 = 21,538.76 : x
  2. Step 2: Convert to fraction form
    24,578.69/33,809.00 = 21,538.76/x
  3. Step 3: Cross multiply
    24,578.69x = 33,809.00 × 21,538.76
  4. Step 4: Simplify right side
    24,578.69x = 728,203,660.10
  5. Step 5: Solve for x
    x = 728,203,660.10/24,578.69
  6. Step 6: Final answer
    x = 29,627.45

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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.