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Finding the Fourth Proportional to 29,299.96, 43,929.06 and 13,709.08

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Solution

The fourth proportional to 29,299.96, 43,929.06 and 13,709.08 is: 20,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.96 : 43,929.06 = 13,709.08 : x
  2. Step 2: Convert to fraction form
    29,299.96/43,929.06 = 13,709.08/x
  3. Step 3: Cross multiply
    29,299.96x = 43,929.06 × 13,709.08
  4. Step 4: Simplify right side
    29,299.96x = 602,226,997.86
  5. Step 5: Solve for x
    x = 602,226,997.86/29,299.96
  6. Step 6: Final answer
    x = 20,553.85

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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.