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Finding the Fourth Proportional to 24,465, 33,761.70 and 13,287

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Solution

The fourth proportional to 24,465, 33,761.70 and 13,287 is: 18,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,465 : 33,761.70 = 13,287 : x
  2. Step 2: Convert to fraction form
    24,465/33,761.70 = 13,287/x
  3. Step 3: Cross multiply
    24,465x = 33,761.70 × 13,287
  4. Step 4: Simplify right side
    24,465x = 448,591,707.90
  5. Step 5: Solve for x
    x = 448,591,707.90/24,465
  6. Step 6: Final answer
    x = 18,336.06

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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.