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Finding the Fourth Proportional to 19,553.40, 26,983.89 and 10,601.01

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Solution

The fourth proportional to 19,553.40, 26,983.89 and 10,601.01 is: 14,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.40 : 26,983.89 = 10,601.01 : x
  2. Step 2: Convert to fraction form
    19,553.40/26,983.89 = 10,601.01/x
  3. Step 3: Cross multiply
    19,553.40x = 26,983.89 × 10,601.01
  4. Step 4: Simplify right side
    19,553.40x = 286,056,487.73
  5. Step 5: Solve for x
    x = 286,056,487.73/19,553.40
  6. Step 6: Final answer
    x = 14,629.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.