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Finding the Fourth Proportional to 54,458.60, 81,623.10 and 22,868.60

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Solution

The fourth proportional to 54,458.60, 81,623.10 and 22,868.60 is: 34,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.60 : 81,623.10 = 22,868.60 : x
  2. Step 2: Convert to fraction form
    54,458.60/81,623.10 = 22,868.60/x
  3. Step 3: Cross multiply
    54,458.60x = 81,623.10 × 22,868.60
  4. Step 4: Simplify right side
    54,458.60x = 1,866,606,024.66
  5. Step 5: Solve for x
    x = 1,866,606,024.66/54,458.60
  6. Step 6: Final answer
    x = 34,275.69

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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.