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Finding the Fourth Proportional to 14,028.95, 21,047.97 and 9,367.91

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Solution

The fourth proportional to 14,028.95, 21,047.97 and 9,367.91 is: 14,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.95 : 21,047.97 = 9,367.91 : x
  2. Step 2: Convert to fraction form
    14,028.95/21,047.97 = 9,367.91/x
  3. Step 3: Cross multiply
    14,028.95x = 21,047.97 × 9,367.91
  4. Step 4: Simplify right side
    14,028.95x = 197,175,383.40
  5. Step 5: Solve for x
    x = 197,175,383.40/14,028.95
  6. Step 6: Final answer
    x = 14,054.90

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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.