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Finding the Fourth Proportional to 29,798.65, 44,737.04 and 19,981.86

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Solution

The fourth proportional to 29,798.65, 44,737.04 and 19,981.86 is: 29,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,798.65 : 44,737.04 = 19,981.86 : x
  2. Step 2: Convert to fraction form
    29,798.65/44,737.04 = 19,981.86/x
  3. Step 3: Cross multiply
    29,798.65x = 44,737.04 × 19,981.86
  4. Step 4: Simplify right side
    29,798.65x = 893,929,046.41
  5. Step 5: Solve for x
    x = 893,929,046.41/29,798.65
  6. Step 6: Final answer
    x = 29,998.98

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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.