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Finding the Fourth Proportional to 6,380.61, 8,804.80 and 3,548.00

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Solution

The fourth proportional to 6,380.61, 8,804.80 and 3,548.00 is: 4,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.61 : 8,804.80 = 3,548.00 : x
  2. Step 2: Convert to fraction form
    6,380.61/8,804.80 = 3,548.00/x
  3. Step 3: Cross multiply
    6,380.61x = 8,804.80 × 3,548.00
  4. Step 4: Simplify right side
    6,380.61x = 31,239,456.85
  5. Step 5: Solve for x
    x = 31,239,456.85/6,380.61
  6. Step 6: Final answer
    x = 4,896.00

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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.