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Finding the Fourth Proportional to 6,334.80, 8,789.76 and 6,153.36

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Solution

The fourth proportional to 6,334.80, 8,789.76 and 6,153.36 is: 8,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,334.80 : 8,789.76 = 6,153.36 : x
  2. Step 2: Convert to fraction form
    6,334.80/8,789.76 = 6,153.36/x
  3. Step 3: Cross multiply
    6,334.80x = 8,789.76 × 6,153.36
  4. Step 4: Simplify right side
    6,334.80x = 54,086,557.59
  5. Step 5: Solve for x
    x = 54,086,557.59/6,334.80
  6. Step 6: Final answer
    x = 8,538.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.