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Finding the Fourth Proportional to 29,361.36, 44,057.72 and 13,779.12

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Solution

The fourth proportional to 29,361.36, 44,057.72 and 13,779.12 is: 20,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.36 : 44,057.72 = 13,779.12 : x
  2. Step 2: Convert to fraction form
    29,361.36/44,057.72 = 13,779.12/x
  3. Step 3: Cross multiply
    29,361.36x = 44,057.72 × 13,779.12
  4. Step 4: Simplify right side
    29,361.36x = 607,076,610.81
  5. Step 5: Solve for x
    x = 607,076,610.81/29,361.36
  6. Step 6: Final answer
    x = 20,676.04

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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.