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Finding the Fourth Proportional to 58,903, 81,286.14 and 32,407

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Solution

The fourth proportional to 58,903, 81,286.14 and 32,407 is: 44,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903 : 81,286.14 = 32,407 : x
  2. Step 2: Convert to fraction form
    58,903/81,286.14 = 32,407/x
  3. Step 3: Cross multiply
    58,903x = 81,286.14 × 32,407
  4. Step 4: Simplify right side
    58,903x = 2,634,239,938.98
  5. Step 5: Solve for x
    x = 2,634,239,938.98/58,903
  6. Step 6: Final answer
    x = 44,721.66

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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.