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Finding the Fourth Proportional to 7,513.54, 10,362.39 and 5,629.54

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Solution

The fourth proportional to 7,513.54, 10,362.39 and 5,629.54 is: 7,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.54 : 10,362.39 = 5,629.54 : x
  2. Step 2: Convert to fraction form
    7,513.54/10,362.39 = 5,629.54/x
  3. Step 3: Cross multiply
    7,513.54x = 10,362.39 × 5,629.54
  4. Step 4: Simplify right side
    7,513.54x = 58,335,489.00
  5. Step 5: Solve for x
    x = 58,335,489.00/7,513.54
  6. Step 6: Final answer
    x = 7,764.05

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1.5x scale

Why These Related Problems?

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