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Finding the Fourth Proportional to 8,858.01, 12,235.73 and 6,616.00

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Solution

The fourth proportional to 8,858.01, 12,235.73 and 6,616.00 is: 9,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.01 : 12,235.73 = 6,616.00 : x
  2. Step 2: Convert to fraction form
    8,858.01/12,235.73 = 6,616.00/x
  3. Step 3: Cross multiply
    8,858.01x = 12,235.73 × 6,616.00
  4. Step 4: Simplify right side
    8,858.01x = 80,951,558.89
  5. Step 5: Solve for x
    x = 80,951,558.89/8,858.01
  6. Step 6: Final answer
    x = 9,138.80

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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.