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Finding the Fourth Proportional to 45,764.10, 68,751.16 and 32,469.87

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Solution

The fourth proportional to 45,764.10, 68,751.16 and 32,469.87 is: 48,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764.10 : 68,751.16 = 32,469.87 : x
  2. Step 2: Convert to fraction form
    45,764.10/68,751.16 = 32,469.87/x
  3. Step 3: Cross multiply
    45,764.10x = 68,751.16 × 32,469.87
  4. Step 4: Simplify right side
    45,764.10x = 2,232,341,065.20
  5. Step 5: Solve for x
    x = 2,232,341,065.20/45,764.10
  6. Step 6: Final answer
    x = 48,779.31

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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.