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Finding the Fourth Proportional to 8,654.07, 12,976.45 and 4,483.73

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Solution

The fourth proportional to 8,654.07, 12,976.45 and 4,483.73 is: 6,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.07 : 12,976.45 = 4,483.73 : x
  2. Step 2: Convert to fraction form
    8,654.07/12,976.45 = 4,483.73/x
  3. Step 3: Cross multiply
    8,654.07x = 12,976.45 × 4,483.73
  4. Step 4: Simplify right side
    8,654.07x = 58,182,908.12
  5. Step 5: Solve for x
    x = 58,182,908.12/8,654.07
  6. Step 6: Final answer
    x = 6,723.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.