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Finding the Fourth Proportional to 3,169.80, 4,754.81 and 1,526.01

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Solution

The fourth proportional to 3,169.80, 4,754.81 and 1,526.01 is: 2,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.80 : 4,754.81 = 1,526.01 : x
  2. Step 2: Convert to fraction form
    3,169.80/4,754.81 = 1,526.01/x
  3. Step 3: Cross multiply
    3,169.80x = 4,754.81 × 1,526.01
  4. Step 4: Simplify right side
    3,169.80x = 7,255,887.61
  5. Step 5: Solve for x
    x = 7,255,887.61/3,169.80
  6. Step 6: Final answer
    x = 2,289.07

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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.