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Finding the Fourth Proportional to 54,700.41, 75,486.63 and 29,549.91

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Solution

The fourth proportional to 54,700.41, 75,486.63 and 29,549.91 is: 40,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,700.41 : 75,486.63 = 29,549.91 : x
  2. Step 2: Convert to fraction form
    54,700.41/75,486.63 = 29,549.91/x
  3. Step 3: Cross multiply
    54,700.41x = 75,486.63 × 29,549.91
  4. Step 4: Simplify right side
    54,700.41x = 2,230,623,122.70
  5. Step 5: Solve for x
    x = 2,230,623,122.70/54,700.41
  6. Step 6: Final answer
    x = 40,778.91

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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.