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Finding the Fourth Proportional to 8,164.67, 11,266.87 and 4,627.91

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Solution

The fourth proportional to 8,164.67, 11,266.87 and 4,627.91 is: 6,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.67 : 11,266.87 = 4,627.91 : x
  2. Step 2: Convert to fraction form
    8,164.67/11,266.87 = 4,627.91/x
  3. Step 3: Cross multiply
    8,164.67x = 11,266.87 × 4,627.91
  4. Step 4: Simplify right side
    8,164.67x = 52,142,060.34
  5. Step 5: Solve for x
    x = 52,142,060.34/8,164.67
  6. Step 6: Final answer
    x = 6,386.30

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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.