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Finding the Fourth Proportional to 9,333.90, 13,994.28 and 3,488.94

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Solution

The fourth proportional to 9,333.90, 13,994.28 and 3,488.94 is: 5,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.90 : 13,994.28 = 3,488.94 : x
  2. Step 2: Convert to fraction form
    9,333.90/13,994.28 = 3,488.94/x
  3. Step 3: Cross multiply
    9,333.90x = 13,994.28 × 3,488.94
  4. Step 4: Simplify right side
    9,333.90x = 48,825,203.26
  5. Step 5: Solve for x
    x = 48,825,203.26/9,333.90
  6. Step 6: Final answer
    x = 5,230.95

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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.