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Finding the Fourth Proportional to 29,931.42, 44,898.07 and 11,207.89

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Solution

The fourth proportional to 29,931.42, 44,898.07 and 11,207.89 is: 16,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.42 : 44,898.07 = 11,207.89 : x
  2. Step 2: Convert to fraction form
    29,931.42/44,898.07 = 11,207.89/x
  3. Step 3: Cross multiply
    29,931.42x = 44,898.07 × 11,207.89
  4. Step 4: Simplify right side
    29,931.42x = 503,212,836.69
  5. Step 5: Solve for x
    x = 503,212,836.69/29,931.42
  6. Step 6: Final answer
    x = 16,812.19

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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.