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Finding the Fourth Proportional to 49,576, 74,349.42 and 14,507.32

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Solution

The fourth proportional to 49,576, 74,349.42 and 14,507.32 is: 21,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,576 : 74,349.42 = 14,507.32 : x
  2. Step 2: Convert to fraction form
    49,576/74,349.42 = 14,507.32/x
  3. Step 3: Cross multiply
    49,576x = 74,349.42 × 14,507.32
  4. Step 4: Simplify right side
    49,576x = 1,078,610,827.75
  5. Step 5: Solve for x
    x = 1,078,610,827.75/49,576
  6. Step 6: Final answer
    x = 21,756.71

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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.