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Finding the Fourth Proportional to 66,493.04, 99,709.92 and 24,361.99

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Solution

The fourth proportional to 66,493.04, 99,709.92 and 24,361.99 is: 36,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493.04 : 99,709.92 = 24,361.99 : x
  2. Step 2: Convert to fraction form
    66,493.04/99,709.92 = 24,361.99/x
  3. Step 3: Cross multiply
    66,493.04x = 99,709.92 × 24,361.99
  4. Step 4: Simplify right side
    66,493.04x = 2,429,131,824.67
  5. Step 5: Solve for x
    x = 2,429,131,824.67/66,493.04
  6. Step 6: Final answer
    x = 36,532.12

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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.