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Finding the Fourth Proportional to 56,804.70, 78,377.86 and 32,604.19

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Solution

The fourth proportional to 56,804.70, 78,377.86 and 32,604.19 is: 44,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,804.70 : 78,377.86 = 32,604.19 : x
  2. Step 2: Convert to fraction form
    56,804.70/78,377.86 = 32,604.19/x
  3. Step 3: Cross multiply
    56,804.70x = 78,377.86 × 32,604.19
  4. Step 4: Simplify right side
    56,804.70x = 2,555,446,484.04
  5. Step 5: Solve for x
    x = 2,555,446,484.04/56,804.70
  6. Step 6: Final answer
    x = 44,986.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.