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Finding the Fourth Proportional to 59,858.16, 89,787.24 and 18,305.16

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Solution

The fourth proportional to 59,858.16, 89,787.24 and 18,305.16 is: 27,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,858.16 : 89,787.24 = 18,305.16 : x
  2. Step 2: Convert to fraction form
    59,858.16/89,787.24 = 18,305.16/x
  3. Step 3: Cross multiply
    59,858.16x = 89,787.24 × 18,305.16
  4. Step 4: Simplify right side
    59,858.16x = 1,643,569,794.16
  5. Step 5: Solve for x
    x = 1,643,569,794.16/59,858.16
  6. Step 6: Final answer
    x = 27,457.74

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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.