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Finding the Fourth Proportional to 7,361.88, 11,052.54 and 5,728.92

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Solution

The fourth proportional to 7,361.88, 11,052.54 and 5,728.92 is: 8,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.88 : 11,052.54 = 5,728.92 : x
  2. Step 2: Convert to fraction form
    7,361.88/11,052.54 = 5,728.92/x
  3. Step 3: Cross multiply
    7,361.88x = 11,052.54 × 5,728.92
  4. Step 4: Simplify right side
    7,361.88x = 63,319,117.46
  5. Step 5: Solve for x
    x = 63,319,117.46/7,361.88
  6. Step 6: Final answer
    x = 8,600.94

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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.