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Finding the Fourth Proportional to 8,933.94, 13,391.64 and 6,462.60

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Solution

The fourth proportional to 8,933.94, 13,391.64 and 6,462.60 is: 9,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.94 : 13,391.64 = 6,462.60 : x
  2. Step 2: Convert to fraction form
    8,933.94/13,391.64 = 6,462.60/x
  3. Step 3: Cross multiply
    8,933.94x = 13,391.64 × 6,462.60
  4. Step 4: Simplify right side
    8,933.94x = 86,544,812.66
  5. Step 5: Solve for x
    x = 86,544,812.66/8,933.94
  6. Step 6: Final answer
    x = 9,687.19

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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.