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Finding the Fourth Proportional to 10,300.02, 15,450.06 and 5,104.68

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Solution

The fourth proportional to 10,300.02, 15,450.06 and 5,104.68 is: 7,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.02 : 15,450.06 = 5,104.68 : x
  2. Step 2: Convert to fraction form
    10,300.02/15,450.06 = 5,104.68/x
  3. Step 3: Cross multiply
    10,300.02x = 15,450.06 × 5,104.68
  4. Step 4: Simplify right side
    10,300.02x = 78,867,612.28
  5. Step 5: Solve for x
    x = 78,867,612.28/10,300.02
  6. Step 6: Final answer
    x = 7,657.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.