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Finding the Fourth Proportional to 56,714.94, 85,125.03 and 28,654.70

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Solution

The fourth proportional to 56,714.94, 85,125.03 and 28,654.70 is: 43,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,714.94 : 85,125.03 = 28,654.70 : x
  2. Step 2: Convert to fraction form
    56,714.94/85,125.03 = 28,654.70/x
  3. Step 3: Cross multiply
    56,714.94x = 85,125.03 × 28,654.70
  4. Step 4: Simplify right side
    56,714.94x = 2,439,231,628.24
  5. Step 5: Solve for x
    x = 2,439,231,628.24/56,714.94
  6. Step 6: Final answer
    x = 43,008.63

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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.