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Finding the Fourth Proportional to 8,003.55, 11,046.95 and 4,776.86

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Solution

The fourth proportional to 8,003.55, 11,046.95 and 4,776.86 is: 6,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.55 : 11,046.95 = 4,776.86 : x
  2. Step 2: Convert to fraction form
    8,003.55/11,046.95 = 4,776.86/x
  3. Step 3: Cross multiply
    8,003.55x = 11,046.95 × 4,776.86
  4. Step 4: Simplify right side
    8,003.55x = 52,769,654.46
  5. Step 5: Solve for x
    x = 52,769,654.46/8,003.55
  6. Step 6: Final answer
    x = 6,593.28

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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.