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Finding the Fourth Proportional to 29,820.97, 44,731.64 and 8,760.92

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Solution

The fourth proportional to 29,820.97, 44,731.64 and 8,760.92 is: 13,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.97 : 44,731.64 = 8,760.92 : x
  2. Step 2: Convert to fraction form
    29,820.97/44,731.64 = 8,760.92/x
  3. Step 3: Cross multiply
    29,820.97x = 44,731.64 × 8,760.92
  4. Step 4: Simplify right side
    29,820.97x = 391,890,319.51
  5. Step 5: Solve for x
    x = 391,890,319.51/29,820.97
  6. Step 6: Final answer
    x = 13,141.44

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1.5x scale

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.