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Finding the Fourth Proportional to 29,508, 40,721.04 and 16,260

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Solution

The fourth proportional to 29,508, 40,721.04 and 16,260 is: 22,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508 : 40,721.04 = 16,260 : x
  2. Step 2: Convert to fraction form
    29,508/40,721.04 = 16,260/x
  3. Step 3: Cross multiply
    29,508x = 40,721.04 × 16,260
  4. Step 4: Simplify right side
    29,508x = 662,124,110.40
  5. Step 5: Solve for x
    x = 662,124,110.40/29,508
  6. Step 6: Final answer
    x = 22,438.80

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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.