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Finding the Fourth Proportional to 30,956.58, 46,462.21 and 16,929.41

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Solution

The fourth proportional to 30,956.58, 46,462.21 and 16,929.41 is: 25,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.58 : 46,462.21 = 16,929.41 : x
  2. Step 2: Convert to fraction form
    30,956.58/46,462.21 = 16,929.41/x
  3. Step 3: Cross multiply
    30,956.58x = 46,462.21 × 16,929.41
  4. Step 4: Simplify right side
    30,956.58x = 786,577,527.96
  5. Step 5: Solve for x
    x = 786,577,527.96/30,956.58
  6. Step 6: Final answer
    x = 25,409.06

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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.