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Finding the Fourth Proportional to 62,402.40, 93,409.20 and 36,028.80

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Solution

The fourth proportional to 62,402.40, 93,409.20 and 36,028.80 is: 53,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402.40 : 93,409.20 = 36,028.80 : x
  2. Step 2: Convert to fraction form
    62,402.40/93,409.20 = 36,028.80/x
  3. Step 3: Cross multiply
    62,402.40x = 93,409.20 × 36,028.80
  4. Step 4: Simplify right side
    62,402.40x = 3,365,421,384.96
  5. Step 5: Solve for x
    x = 3,365,421,384.96/62,402.40
  6. Step 6: Final answer
    x = 53,930.96

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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.