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Finding the Fourth Proportional to 29,399.51, 44,098.95 and 7,212.68

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Solution

The fourth proportional to 29,399.51, 44,098.95 and 7,212.68 is: 10,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.51 : 44,098.95 = 7,212.68 : x
  2. Step 2: Convert to fraction form
    29,399.51/44,098.95 = 7,212.68/x
  3. Step 3: Cross multiply
    29,399.51x = 44,098.95 × 7,212.68
  4. Step 4: Simplify right side
    29,399.51x = 318,071,614.69
  5. Step 5: Solve for x
    x = 318,071,614.69/29,399.51
  6. Step 6: Final answer
    x = 10,818.94

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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.