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Finding the Fourth Proportional to 29,340, 40,488.49 and 16,763.94

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Solution

The fourth proportional to 29,340, 40,488.49 and 16,763.94 is: 23,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340 : 40,488.49 = 16,763.94 : x
  2. Step 2: Convert to fraction form
    29,340/40,488.49 = 16,763.94/x
  3. Step 3: Cross multiply
    29,340x = 40,488.49 × 16,763.94
  4. Step 4: Simplify right side
    29,340x = 678,746,533.23
  5. Step 5: Solve for x
    x = 678,746,533.23/29,340
  6. Step 6: Final answer
    x = 23,133.83

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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.