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Finding the Fourth Proportional to 14,047.97, 21,058.83 and 7,383.06

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Solution

The fourth proportional to 14,047.97, 21,058.83 and 7,383.06 is: 11,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.97 : 21,058.83 = 7,383.06 : x
  2. Step 2: Convert to fraction form
    14,047.97/21,058.83 = 7,383.06/x
  3. Step 3: Cross multiply
    14,047.97x = 21,058.83 × 7,383.06
  4. Step 4: Simplify right side
    14,047.97x = 155,478,605.42
  5. Step 5: Solve for x
    x = 155,478,605.42/14,047.97
  6. Step 6: Final answer
    x = 11,067.70

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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.