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Finding the Fourth Proportional to 50,671.08, 76,006.80 and 29,880

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Solution

The fourth proportional to 50,671.08, 76,006.80 and 29,880 is: 44,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,671.08 : 76,006.80 = 29,880 : x
  2. Step 2: Convert to fraction form
    50,671.08/76,006.80 = 29,880/x
  3. Step 3: Cross multiply
    50,671.08x = 76,006.80 × 29,880
  4. Step 4: Simplify right side
    50,671.08x = 2,271,083,184
  5. Step 5: Solve for x
    x = 2,271,083,184/50,671.08
  6. Step 6: Final answer
    x = 44,820.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.