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Finding the Fourth Proportional to 29,079.68, 43,619.99 and 9,358.34

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Solution

The fourth proportional to 29,079.68, 43,619.99 and 9,358.34 is: 14,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.68 : 43,619.99 = 9,358.34 : x
  2. Step 2: Convert to fraction form
    29,079.68/43,619.99 = 9,358.34/x
  3. Step 3: Cross multiply
    29,079.68x = 43,619.99 × 9,358.34
  4. Step 4: Simplify right side
    29,079.68x = 408,210,432.32
  5. Step 5: Solve for x
    x = 408,210,432.32/29,079.68
  6. Step 6: Final answer
    x = 14,037.65

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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.