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Finding the Fourth Proportional to 54,662.04, 81,993.06 and 23,490

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Solution

The fourth proportional to 54,662.04, 81,993.06 and 23,490 is: 35,235

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.04 : 81,993.06 = 23,490 : x
  2. Step 2: Convert to fraction form
    54,662.04/81,993.06 = 23,490/x
  3. Step 3: Cross multiply
    54,662.04x = 81,993.06 × 23,490
  4. Step 4: Simplify right side
    54,662.04x = 1,926,016,979.40
  5. Step 5: Solve for x
    x = 1,926,016,979.40/54,662.04
  6. Step 6: Final answer
    x = 35,235

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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.