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Finding the Fourth Proportional to 57,946.33, 86,772.48 and 48,561.67

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Solution

The fourth proportional to 57,946.33, 86,772.48 and 48,561.67 is: 72,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,946.33 : 86,772.48 = 48,561.67 : x
  2. Step 2: Convert to fraction form
    57,946.33/86,772.48 = 48,561.67/x
  3. Step 3: Cross multiply
    57,946.33x = 86,772.48 × 48,561.67
  4. Step 4: Simplify right side
    57,946.33x = 4,213,816,538.84
  5. Step 5: Solve for x
    x = 4,213,816,538.84/57,946.33
  6. Step 6: Final answer
    x = 72,719.30

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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.