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Finding the Fourth Proportional to 54,659.70, 82,003.95 and 19,595.70

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Solution

The fourth proportional to 54,659.70, 82,003.95 and 19,595.70 is: 29,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.70 : 82,003.95 = 19,595.70 : x
  2. Step 2: Convert to fraction form
    54,659.70/82,003.95 = 19,595.70/x
  3. Step 3: Cross multiply
    54,659.70x = 82,003.95 × 19,595.70
  4. Step 4: Simplify right side
    54,659.70x = 1,606,924,803.02
  5. Step 5: Solve for x
    x = 1,606,924,803.02/54,659.70
  6. Step 6: Final answer
    x = 29,398.71

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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.