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Finding the Fourth Proportional to 49,306, 73,861.65 and 32,615.55

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Solution

The fourth proportional to 49,306, 73,861.65 and 32,615.55 is: 48,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,306 : 73,861.65 = 32,615.55 : x
  2. Step 2: Convert to fraction form
    49,306/73,861.65 = 32,615.55/x
  3. Step 3: Cross multiply
    49,306x = 73,861.65 × 32,615.55
  4. Step 4: Simplify right side
    49,306x = 2,409,038,338.66
  5. Step 5: Solve for x
    x = 2,409,038,338.66/49,306
  6. Step 6: Final answer
    x = 48,858.93

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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.