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Finding the Fourth Proportional to 54,018.66, 81,025.72 and 18,483.19

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Solution

The fourth proportional to 54,018.66, 81,025.72 and 18,483.19 is: 27,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.66 : 81,025.72 = 18,483.19 : x
  2. Step 2: Convert to fraction form
    54,018.66/81,025.72 = 18,483.19/x
  3. Step 3: Cross multiply
    54,018.66x = 81,025.72 × 18,483.19
  4. Step 4: Simplify right side
    54,018.66x = 1,497,613,528.87
  5. Step 5: Solve for x
    x = 1,497,613,528.87/54,018.66
  6. Step 6: Final answer
    x = 27,724.00

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1.5x scale

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.