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Finding the Fourth Proportional to 62,402.80, 93,604.20 and 38,783.20

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Solution

The fourth proportional to 62,402.80, 93,604.20 and 38,783.20 is: 58,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402.80 : 93,604.20 = 38,783.20 : x
  2. Step 2: Convert to fraction form
    62,402.80/93,604.20 = 38,783.20/x
  3. Step 3: Cross multiply
    62,402.80x = 93,604.20 × 38,783.20
  4. Step 4: Simplify right side
    62,402.80x = 3,630,270,409.44
  5. Step 5: Solve for x
    x = 3,630,270,409.44/62,402.80
  6. Step 6: Final answer
    x = 58,174.80

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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.