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Finding the Fourth Proportional to 8,663.13, 12,994.59 and 4,500.99

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Solution

The fourth proportional to 8,663.13, 12,994.59 and 4,500.99 is: 6,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.13 : 12,994.59 = 4,500.99 : x
  2. Step 2: Convert to fraction form
    8,663.13/12,994.59 = 4,500.99/x
  3. Step 3: Cross multiply
    8,663.13x = 12,994.59 × 4,500.99
  4. Step 4: Simplify right side
    8,663.13x = 58,488,519.64
  5. Step 5: Solve for x
    x = 58,488,519.64/8,663.13
  6. Step 6: Final answer
    x = 6,751.43

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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.