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Finding the Fourth Proportional to 58,267.76, 80,411.90 and 32,775.31

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Solution

The fourth proportional to 58,267.76, 80,411.90 and 32,775.31 is: 45,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,267.76 : 80,411.90 = 32,775.31 : x
  2. Step 2: Convert to fraction form
    58,267.76/80,411.90 = 32,775.31/x
  3. Step 3: Cross multiply
    58,267.76x = 80,411.90 × 32,775.31
  4. Step 4: Simplify right side
    58,267.76x = 2,635,524,950.19
  5. Step 5: Solve for x
    x = 2,635,524,950.19/58,267.76
  6. Step 6: Final answer
    x = 45,231.27

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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.