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Finding the Fourth Proportional to 49,810.61, 74,724.79 and 16,532.64

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Solution

The fourth proportional to 49,810.61, 74,724.79 and 16,532.64 is: 24,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810.61 : 74,724.79 = 16,532.64 : x
  2. Step 2: Convert to fraction form
    49,810.61/74,724.79 = 16,532.64/x
  3. Step 3: Cross multiply
    49,810.61x = 74,724.79 × 16,532.64
  4. Step 4: Simplify right side
    49,810.61x = 1,235,398,052.15
  5. Step 5: Solve for x
    x = 1,235,398,052.15/49,810.61
  6. Step 6: Final answer
    x = 24,801.91

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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.