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Finding the Fourth Proportional to 58,620.63, 87,679.74 and 54,366.24

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Solution

The fourth proportional to 58,620.63, 87,679.74 and 54,366.24 is: 81,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,620.63 : 87,679.74 = 54,366.24 : x
  2. Step 2: Convert to fraction form
    58,620.63/87,679.74 = 54,366.24/x
  3. Step 3: Cross multiply
    58,620.63x = 87,679.74 × 54,366.24
  4. Step 4: Simplify right side
    58,620.63x = 4,766,817,787.98
  5. Step 5: Solve for x
    x = 4,766,817,787.98/58,620.63
  6. Step 6: Final answer
    x = 81,316.39

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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.