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Finding the Fourth Proportional to 63,693.63, 87,872.72 and 41,030.87

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Solution

The fourth proportional to 63,693.63, 87,872.72 and 41,030.87 is: 56,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,693.63 : 87,872.72 = 41,030.87 : x
  2. Step 2: Convert to fraction form
    63,693.63/87,872.72 = 41,030.87/x
  3. Step 3: Cross multiply
    63,693.63x = 87,872.72 × 41,030.87
  4. Step 4: Simplify right side
    63,693.63x = 3,605,493,506.35
  5. Step 5: Solve for x
    x = 3,605,493,506.35/63,693.63
  6. Step 6: Final answer
    x = 56,606.81

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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.