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Finding the Fourth Proportional to 58,705.56, 88,068.87 and 27,540

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Solution

The fourth proportional to 58,705.56, 88,068.87 and 27,540 is: 41,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.56 : 88,068.87 = 27,540 : x
  2. Step 2: Convert to fraction form
    58,705.56/88,068.87 = 27,540/x
  3. Step 3: Cross multiply
    58,705.56x = 88,068.87 × 27,540
  4. Step 4: Simplify right side
    58,705.56x = 2,425,416,679.80
  5. Step 5: Solve for x
    x = 2,425,416,679.80/58,705.56
  6. Step 6: Final answer
    x = 41,314.94

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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.