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Finding the Fourth Proportional to 56,456.63, 77,910.02 and 32,583.30

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Solution

The fourth proportional to 56,456.63, 77,910.02 and 32,583.30 is: 44,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.63 : 77,910.02 = 32,583.30 : x
  2. Step 2: Convert to fraction form
    56,456.63/77,910.02 = 32,583.30/x
  3. Step 3: Cross multiply
    56,456.63x = 77,910.02 × 32,583.30
  4. Step 4: Simplify right side
    56,456.63x = 2,538,565,554.67
  5. Step 5: Solve for x
    x = 2,538,565,554.67/56,456.63
  6. Step 6: Final answer
    x = 44,964.88

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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.