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Finding the Fourth Proportional to 29,929.61, 44,902.11 and 11,209.93

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Solution

The fourth proportional to 29,929.61, 44,902.11 and 11,209.93 is: 16,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.61 : 44,902.11 = 11,209.93 : x
  2. Step 2: Convert to fraction form
    29,929.61/44,902.11 = 11,209.93/x
  3. Step 3: Cross multiply
    29,929.61x = 44,902.11 × 11,209.93
  4. Step 4: Simplify right side
    29,929.61x = 503,349,509.95
  5. Step 5: Solve for x
    x = 503,349,509.95/29,929.61
  6. Step 6: Final answer
    x = 16,817.78

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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.