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Finding the Fourth Proportional to 8,361.73, 11,534.16 and 5,529.16

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Solution

The fourth proportional to 8,361.73, 11,534.16 and 5,529.16 is: 7,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.73 : 11,534.16 = 5,529.16 : x
  2. Step 2: Convert to fraction form
    8,361.73/11,534.16 = 5,529.16/x
  3. Step 3: Cross multiply
    8,361.73x = 11,534.16 × 5,529.16
  4. Step 4: Simplify right side
    8,361.73x = 63,774,216.11
  5. Step 5: Solve for x
    x = 63,774,216.11/8,361.73
  6. Step 6: Final answer
    x = 7,626.92

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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.