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Finding the Fourth Proportional to 16,754.51, 25,129.00 and 4,905.50

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Solution

The fourth proportional to 16,754.51, 25,129.00 and 4,905.50 is: 7,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.51 : 25,129.00 = 4,905.50 : x
  2. Step 2: Convert to fraction form
    16,754.51/25,129.00 = 4,905.50/x
  3. Step 3: Cross multiply
    16,754.51x = 25,129.00 × 4,905.50
  4. Step 4: Simplify right side
    16,754.51x = 123,270,189.99
  5. Step 5: Solve for x
    x = 123,270,189.99/16,754.51
  6. Step 6: Final answer
    x = 7,357.43

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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.