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Finding the Fourth Proportional to 49,187.70, 73,592.55 and 49,061.70

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Solution

The fourth proportional to 49,187.70, 73,592.55 and 49,061.70 is: 73,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,187.70 : 73,592.55 = 49,061.70 : x
  2. Step 2: Convert to fraction form
    49,187.70/73,592.55 = 49,061.70/x
  3. Step 3: Cross multiply
    49,187.70x = 73,592.55 × 49,061.70
  4. Step 4: Simplify right side
    49,187.70x = 3,610,575,610.34
  5. Step 5: Solve for x
    x = 3,610,575,610.34/49,187.70
  6. Step 6: Final answer
    x = 73,404.03

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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.