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Finding the Fourth Proportional to 24,576.21, 33,915.15 and 13,398.21

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Solution

The fourth proportional to 24,576.21, 33,915.15 and 13,398.21 is: 18,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,576.21 : 33,915.15 = 13,398.21 : x
  2. Step 2: Convert to fraction form
    24,576.21/33,915.15 = 13,398.21/x
  3. Step 3: Cross multiply
    24,576.21x = 33,915.15 × 13,398.21
  4. Step 4: Simplify right side
    24,576.21x = 454,402,301.88
  5. Step 5: Solve for x
    x = 454,402,301.88/24,576.21
  6. Step 6: Final answer
    x = 18,489.52

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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.