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Finding the Fourth Proportional to 29,562.80, 44,365.80 and 20,814.80

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Solution

The fourth proportional to 29,562.80, 44,365.80 and 20,814.80 is: 31,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,562.80 : 44,365.80 = 20,814.80 : x
  2. Step 2: Convert to fraction form
    29,562.80/44,365.80 = 20,814.80/x
  3. Step 3: Cross multiply
    29,562.80x = 44,365.80 × 20,814.80
  4. Step 4: Simplify right side
    29,562.80x = 923,465,253.84
  5. Step 5: Solve for x
    x = 923,465,253.84/29,562.80
  6. Step 6: Final answer
    x = 31,237.41

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1.5x scale

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.