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Finding the Fourth Proportional to 58,874.66, 81,218.47 and 34,984.43

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Solution

The fourth proportional to 58,874.66, 81,218.47 and 34,984.43 is: 48,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874.66 : 81,218.47 = 34,984.43 : x
  2. Step 2: Convert to fraction form
    58,874.66/81,218.47 = 34,984.43/x
  3. Step 3: Cross multiply
    58,874.66x = 81,218.47 × 34,984.43
  4. Step 4: Simplify right side
    58,874.66x = 2,841,381,384.87
  5. Step 5: Solve for x
    x = 2,841,381,384.87/58,874.66
  6. Step 6: Final answer
    x = 48,261.53

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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.