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Finding the Fourth Proportional to 62,777.70, 94,047.80 and 48,668.65

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Solution

The fourth proportional to 62,777.70, 94,047.80 and 48,668.65 is: 72,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,777.70 : 94,047.80 = 48,668.65 : x
  2. Step 2: Convert to fraction form
    62,777.70/94,047.80 = 48,668.65/x
  3. Step 3: Cross multiply
    62,777.70x = 94,047.80 × 48,668.65
  4. Step 4: Simplify right side
    62,777.70x = 4,577,178,983.01
  5. Step 5: Solve for x
    x = 4,577,178,983.01/62,777.70
  6. Step 6: Final answer
    x = 72,910.91

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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.