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Finding the Fourth Proportional to 43,779.64, 65,672.16 and 29,733.72

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Solution

The fourth proportional to 43,779.64, 65,672.16 and 29,733.72 is: 44,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,779.64 : 65,672.16 = 29,733.72 : x
  2. Step 2: Convert to fraction form
    43,779.64/65,672.16 = 29,733.72/x
  3. Step 3: Cross multiply
    43,779.64x = 65,672.16 × 29,733.72
  4. Step 4: Simplify right side
    43,779.64x = 1,952,677,617.24
  5. Step 5: Solve for x
    x = 1,952,677,617.24/43,779.64
  6. Step 6: Final answer
    x = 44,602.41

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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.