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Finding the Fourth Proportional to 64,043.55, 88,379.76 and 37,192.66

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Solution

The fourth proportional to 64,043.55, 88,379.76 and 37,192.66 is: 51,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,043.55 : 88,379.76 = 37,192.66 : x
  2. Step 2: Convert to fraction form
    64,043.55/88,379.76 = 37,192.66/x
  3. Step 3: Cross multiply
    64,043.55x = 88,379.76 × 37,192.66
  4. Step 4: Simplify right side
    64,043.55x = 3,287,077,736.70
  5. Step 5: Solve for x
    x = 3,287,077,736.70/64,043.55
  6. Step 6: Final answer
    x = 51,325.66

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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.