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Finding the Fourth Proportional to 49,536, 74,308.32 and 12,600

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Solution

The fourth proportional to 49,536, 74,308.32 and 12,600 is: 18,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,536 : 74,308.32 = 12,600 : x
  2. Step 2: Convert to fraction form
    49,536/74,308.32 = 12,600/x
  3. Step 3: Cross multiply
    49,536x = 74,308.32 × 12,600
  4. Step 4: Simplify right side
    49,536x = 936,284,832.00
  5. Step 5: Solve for x
    x = 936,284,832.00/49,536
  6. Step 6: Final answer
    x = 18,901.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.