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Finding the Fourth Proportional to 6,700.60, 10,048.32 and 3,187.90

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Solution

The fourth proportional to 6,700.60, 10,048.32 and 3,187.90 is: 4,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.60 : 10,048.32 = 3,187.90 : x
  2. Step 2: Convert to fraction form
    6,700.60/10,048.32 = 3,187.90/x
  3. Step 3: Cross multiply
    6,700.60x = 10,048.32 × 3,187.90
  4. Step 4: Simplify right side
    6,700.60x = 32,033,039.33
  5. Step 5: Solve for x
    x = 32,033,039.33/6,700.60
  6. Step 6: Final answer
    x = 4,780.62

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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.