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Finding the Fourth Proportional to 29,602.65, 44,406.94 and 8,543.21

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Solution

The fourth proportional to 29,602.65, 44,406.94 and 8,543.21 is: 12,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.65 : 44,406.94 = 8,543.21 : x
  2. Step 2: Convert to fraction form
    29,602.65/44,406.94 = 8,543.21/x
  3. Step 3: Cross multiply
    29,602.65x = 44,406.94 × 8,543.21
  4. Step 4: Simplify right side
    29,602.65x = 379,377,659.15
  5. Step 5: Solve for x
    x = 379,377,659.15/29,602.65
  6. Step 6: Final answer
    x = 12,815.67

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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.