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Finding the Fourth Proportional to 49,244.25, 73,866.47 and 12,308.25

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Solution

The fourth proportional to 49,244.25, 73,866.47 and 12,308.25 is: 18,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,244.25 : 73,866.47 = 12,308.25 : x
  2. Step 2: Convert to fraction form
    49,244.25/73,866.47 = 12,308.25/x
  3. Step 3: Cross multiply
    49,244.25x = 73,866.47 × 12,308.25
  4. Step 4: Simplify right side
    49,244.25x = 909,166,917.84
  5. Step 5: Solve for x
    x = 909,166,917.84/49,244.25
  6. Step 6: Final answer
    x = 18,462.40

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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.