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Finding the Fourth Proportional to 10,693.60, 16,040.10 and 4,850.20

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Solution

The fourth proportional to 10,693.60, 16,040.10 and 4,850.20 is: 7,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.60 : 16,040.10 = 4,850.20 : x
  2. Step 2: Convert to fraction form
    10,693.60/16,040.10 = 4,850.20/x
  3. Step 3: Cross multiply
    10,693.60x = 16,040.10 × 4,850.20
  4. Step 4: Simplify right side
    10,693.60x = 77,797,693.02
  5. Step 5: Solve for x
    x = 77,797,693.02/10,693.60
  6. Step 6: Final answer
    x = 7,275.16

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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.