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Finding the Fourth Proportional to 29,810.16, 44,713.89 and 8,749.38

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Solution

The fourth proportional to 29,810.16, 44,713.89 and 8,749.38 is: 13,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.16 : 44,713.89 = 8,749.38 : x
  2. Step 2: Convert to fraction form
    29,810.16/44,713.89 = 8,749.38/x
  3. Step 3: Cross multiply
    29,810.16x = 44,713.89 × 8,749.38
  4. Step 4: Simplify right side
    29,810.16x = 391,218,814.89
  5. Step 5: Solve for x
    x = 391,218,814.89/29,810.16
  6. Step 6: Final answer
    x = 13,123.67

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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.