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Finding the Fourth Proportional to 28,892.91, 43,337.21 and 10,424.91

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Solution

The fourth proportional to 28,892.91, 43,337.21 and 10,424.91 is: 15,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.91 : 43,337.21 = 10,424.91 : x
  2. Step 2: Convert to fraction form
    28,892.91/43,337.21 = 10,424.91/x
  3. Step 3: Cross multiply
    28,892.91x = 43,337.21 × 10,424.91
  4. Step 4: Simplify right side
    28,892.91x = 451,786,461.78
  5. Step 5: Solve for x
    x = 451,786,461.78/28,892.91
  6. Step 6: Final answer
    x = 15,636.59

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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.