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Finding the Fourth Proportional to 24,636, 33,998.40 and 13,458.72

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Solution

The fourth proportional to 24,636, 33,998.40 and 13,458.72 is: 18,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,636 : 33,998.40 = 13,458.72 : x
  2. Step 2: Convert to fraction form
    24,636/33,998.40 = 13,458.72/x
  3. Step 3: Cross multiply
    24,636x = 33,998.40 × 13,458.72
  4. Step 4: Simplify right side
    24,636x = 457,574,946.05
  5. Step 5: Solve for x
    x = 457,574,946.05/24,636
  6. Step 6: Final answer
    x = 18,573.43

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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.