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Finding the Fourth Proportional to 18,303.84, 27,455.58 and 4,452.84

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Solution

The fourth proportional to 18,303.84, 27,455.58 and 4,452.84 is: 6,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.84 : 27,455.58 = 4,452.84 : x
  2. Step 2: Convert to fraction form
    18,303.84/27,455.58 = 4,452.84/x
  3. Step 3: Cross multiply
    18,303.84x = 27,455.58 × 4,452.84
  4. Step 4: Simplify right side
    18,303.84x = 122,255,304.85
  5. Step 5: Solve for x
    x = 122,255,304.85/18,303.84
  6. Step 6: Final answer
    x = 6,679.22

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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.