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Finding the Fourth Proportional to 8,534.55, 11,776.94 and 4,757.42

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Solution

The fourth proportional to 8,534.55, 11,776.94 and 4,757.42 is: 6,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.55 : 11,776.94 = 4,757.42 : x
  2. Step 2: Convert to fraction form
    8,534.55/11,776.94 = 4,757.42/x
  3. Step 3: Cross multiply
    8,534.55x = 11,776.94 × 4,757.42
  4. Step 4: Simplify right side
    8,534.55x = 56,027,833.91
  5. Step 5: Solve for x
    x = 56,027,833.91/8,534.55
  6. Step 6: Final answer
    x = 6,564.83

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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.