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Finding the Fourth Proportional to 7,348.65, 10,138.46 and 4,832.12

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Solution

The fourth proportional to 7,348.65, 10,138.46 and 4,832.12 is: 6,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.65 : 10,138.46 = 4,832.12 : x
  2. Step 2: Convert to fraction form
    7,348.65/10,138.46 = 4,832.12/x
  3. Step 3: Cross multiply
    7,348.65x = 10,138.46 × 4,832.12
  4. Step 4: Simplify right side
    7,348.65x = 48,990,180.48
  5. Step 5: Solve for x
    x = 48,990,180.48/7,348.65
  6. Step 6: Final answer
    x = 6,666.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.