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Finding the Fourth Proportional to 43,853.80, 65,726.70 and 29,813.80

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Solution

The fourth proportional to 43,853.80, 65,726.70 and 29,813.80 is: 44,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.80 : 65,726.70 = 29,813.80 : x
  2. Step 2: Convert to fraction form
    43,853.80/65,726.70 = 29,813.80/x
  3. Step 3: Cross multiply
    43,853.80x = 65,726.70 × 29,813.80
  4. Step 4: Simplify right side
    43,853.80x = 1,959,562,688.46
  5. Step 5: Solve for x
    x = 1,959,562,688.46/43,853.80
  6. Step 6: Final answer
    x = 44,683.99

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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.