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Finding the Fourth Proportional to 8,054.56, 11,108.88 and 6,654.88

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Solution

The fourth proportional to 8,054.56, 11,108.88 and 6,654.88 is: 9,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.56 : 11,108.88 = 6,654.88 : x
  2. Step 2: Convert to fraction form
    8,054.56/11,108.88 = 6,654.88/x
  3. Step 3: Cross multiply
    8,054.56x = 11,108.88 × 6,654.88
  4. Step 4: Simplify right side
    8,054.56x = 73,928,263.33
  5. Step 5: Solve for x
    x = 73,928,263.33/8,054.56
  6. Step 6: Final answer
    x = 9,178.44

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Half scale
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Double scale
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Similar ratio
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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.