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Finding the Fourth Proportional to 7,287.48, 10,936.44 and 2,607.48

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Solution

The fourth proportional to 7,287.48, 10,936.44 and 2,607.48 is: 3,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.48 : 10,936.44 = 2,607.48 : x
  2. Step 2: Convert to fraction form
    7,287.48/10,936.44 = 2,607.48/x
  3. Step 3: Cross multiply
    7,287.48x = 10,936.44 × 2,607.48
  4. Step 4: Simplify right side
    7,287.48x = 28,516,548.57
  5. Step 5: Solve for x
    x = 28,516,548.57/7,287.48
  6. Step 6: Final answer
    x = 3,913.09

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1.5x scale

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.