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Finding the Fourth Proportional to 59,664, 89,504.64 and 18,111.04

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Solution

The fourth proportional to 59,664, 89,504.64 and 18,111.04 is: 27,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,664 : 89,504.64 = 18,111.04 : x
  2. Step 2: Convert to fraction form
    59,664/89,504.64 = 18,111.04/x
  3. Step 3: Cross multiply
    59,664x = 89,504.64 × 18,111.04
  4. Step 4: Simplify right side
    59,664x = 1,621,022,115.23
  5. Step 5: Solve for x
    x = 1,621,022,115.23/59,664
  6. Step 6: Final answer
    x = 27,169.18

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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.