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Finding the Fourth Proportional to 7,287.52, 10,056.76 and 4,100.82

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Solution

The fourth proportional to 7,287.52, 10,056.76 and 4,100.82 is: 5,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.52 : 10,056.76 = 4,100.82 : x
  2. Step 2: Convert to fraction form
    7,287.52/10,056.76 = 4,100.82/x
  3. Step 3: Cross multiply
    7,287.52x = 10,056.76 × 4,100.82
  4. Step 4: Simplify right side
    7,287.52x = 41,240,962.54
  5. Step 5: Solve for x
    x = 41,240,962.54/7,287.52
  6. Step 6: Final answer
    x = 5,659.12

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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.