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Finding the Fourth Proportional to 8,994.68, 13,488.58 and 4,309.70

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Solution

The fourth proportional to 8,994.68, 13,488.58 and 4,309.70 is: 6,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.68 : 13,488.58 = 4,309.70 : x
  2. Step 2: Convert to fraction form
    8,994.68/13,488.58 = 4,309.70/x
  3. Step 3: Cross multiply
    8,994.68x = 13,488.58 × 4,309.70
  4. Step 4: Simplify right side
    8,994.68x = 58,131,733.23
  5. Step 5: Solve for x
    x = 58,131,733.23/8,994.68
  6. Step 6: Final answer
    x = 6,462.90

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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.