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Finding the Fourth Proportional to 54,510.30, 81,801.90 and 24,912.90

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Solution

The fourth proportional to 54,510.30, 81,801.90 and 24,912.90 is: 37,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510.30 : 81,801.90 = 24,912.90 : x
  2. Step 2: Convert to fraction form
    54,510.30/81,801.90 = 24,912.90/x
  3. Step 3: Cross multiply
    54,510.30x = 81,801.90 × 24,912.90
  4. Step 4: Simplify right side
    54,510.30x = 2,037,922,554.51
  5. Step 5: Solve for x
    x = 2,037,922,554.51/54,510.30
  6. Step 6: Final answer
    x = 37,386.01

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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.