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Finding the Fourth Proportional to 63,583.72, 87,752.54 and 40,634.69

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Solution

The fourth proportional to 63,583.72, 87,752.54 and 40,634.69 is: 56,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,583.72 : 87,752.54 = 40,634.69 : x
  2. Step 2: Convert to fraction form
    63,583.72/87,752.54 = 40,634.69/x
  3. Step 3: Cross multiply
    63,583.72x = 87,752.54 × 40,634.69
  4. Step 4: Simplify right side
    63,583.72x = 3,565,796,922.44
  5. Step 5: Solve for x
    x = 3,565,796,922.44/63,583.72
  6. Step 6: Final answer
    x = 56,080.35

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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.