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Finding the Fourth Proportional to 17,956.01, 26,868.40 and 10,563.95

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Solution

The fourth proportional to 17,956.01, 26,868.40 and 10,563.95 is: 15,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.01 : 26,868.40 = 10,563.95 : x
  2. Step 2: Convert to fraction form
    17,956.01/26,868.40 = 10,563.95/x
  3. Step 3: Cross multiply
    17,956.01x = 26,868.40 × 10,563.95
  4. Step 4: Simplify right side
    17,956.01x = 283,836,247.02
  5. Step 5: Solve for x
    x = 283,836,247.02/17,956.01
  6. Step 6: Final answer
    x = 15,807.32

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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.