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Finding the Fourth Proportional to 58,472.64, 80,692.08 and 31,614.96

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Solution

The fourth proportional to 58,472.64, 80,692.08 and 31,614.96 is: 43,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.64 : 80,692.08 = 31,614.96 : x
  2. Step 2: Convert to fraction form
    58,472.64/80,692.08 = 31,614.96/x
  3. Step 3: Cross multiply
    58,472.64x = 80,692.08 × 31,614.96
  4. Step 4: Simplify right side
    58,472.64x = 2,551,076,881.52
  5. Step 5: Solve for x
    x = 2,551,076,881.52/58,472.64
  6. Step 6: Final answer
    x = 43,628.56

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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.