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Finding the Fourth Proportional to 62,604.90, 93,990.78 and 36,328.50

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Solution

The fourth proportional to 62,604.90, 93,990.78 and 36,328.50 is: 54,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,604.90 : 93,990.78 = 36,328.50 : x
  2. Step 2: Convert to fraction form
    62,604.90/93,990.78 = 36,328.50/x
  3. Step 3: Cross multiply
    62,604.90x = 93,990.78 × 36,328.50
  4. Step 4: Simplify right side
    62,604.90x = 3,414,544,051.23
  5. Step 5: Solve for x
    x = 3,414,544,051.23/62,604.90
  6. Step 6: Final answer
    x = 54,541.16

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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.