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Finding the Fourth Proportional to 54,810.60, 82,215.90 and 29,927.40

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Solution

The fourth proportional to 54,810.60, 82,215.90 and 29,927.40 is: 44,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.60 : 82,215.90 = 29,927.40 : x
  2. Step 2: Convert to fraction form
    54,810.60/82,215.90 = 29,927.40/x
  3. Step 3: Cross multiply
    54,810.60x = 82,215.90 × 29,927.40
  4. Step 4: Simplify right side
    54,810.60x = 2,460,508,125.66
  5. Step 5: Solve for x
    x = 2,460,508,125.66/54,810.60
  6. Step 6: Final answer
    x = 44,891.10

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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.