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Finding the Fourth Proportional to 64,687.64, 97,042.53 and 29,630.30

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Solution

The fourth proportional to 64,687.64, 97,042.53 and 29,630.30 is: 44,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.64 : 97,042.53 = 29,630.30 : x
  2. Step 2: Convert to fraction form
    64,687.64/97,042.53 = 29,630.30/x
  3. Step 3: Cross multiply
    64,687.64x = 97,042.53 × 29,630.30
  4. Step 4: Simplify right side
    64,687.64x = 2,875,399,276.66
  5. Step 5: Solve for x
    x = 2,875,399,276.66/64,687.64
  6. Step 6: Final answer
    x = 44,450.52

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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.