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Finding the Fourth Proportional to 43,295.09, 64,941.10 and 16,634.21

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Solution

The fourth proportional to 43,295.09, 64,941.10 and 16,634.21 is: 24,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,295.09 : 64,941.10 = 16,634.21 : x
  2. Step 2: Convert to fraction form
    43,295.09/64,941.10 = 16,634.21/x
  3. Step 3: Cross multiply
    43,295.09x = 64,941.10 × 16,634.21
  4. Step 4: Simplify right side
    43,295.09x = 1,080,243,528.74
  5. Step 5: Solve for x
    x = 1,080,243,528.74/43,295.09
  6. Step 6: Final answer
    x = 24,950.72

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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.