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Finding the Fourth Proportional to 59,939.52, 89,904.96 and 18,384

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Solution

The fourth proportional to 59,939.52, 89,904.96 and 18,384 is: 27,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,939.52 : 89,904.96 = 18,384 : x
  2. Step 2: Convert to fraction form
    59,939.52/89,904.96 = 18,384/x
  3. Step 3: Cross multiply
    59,939.52x = 89,904.96 × 18,384
  4. Step 4: Simplify right side
    59,939.52x = 1,652,812,784.64
  5. Step 5: Solve for x
    x = 1,652,812,784.64/59,939.52
  6. Step 6: Final answer
    x = 27,574.68

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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.