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Finding the Fourth Proportional to 8,262.48, 11,410.86 and 7,551.66

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Solution

The fourth proportional to 8,262.48, 11,410.86 and 7,551.66 is: 10,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.48 : 11,410.86 = 7,551.66 : x
  2. Step 2: Convert to fraction form
    8,262.48/11,410.86 = 7,551.66/x
  3. Step 3: Cross multiply
    8,262.48x = 11,410.86 × 7,551.66
  4. Step 4: Simplify right side
    8,262.48x = 86,170,935.03
  5. Step 5: Solve for x
    x = 86,170,935.03/8,262.48
  6. Step 6: Final answer
    x = 10,429.19

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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.