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Finding the Fourth Proportional to 5,170.51, 7,756.01 and 1,472.99

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Solution

The fourth proportional to 5,170.51, 7,756.01 and 1,472.99 is: 2,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.51 : 7,756.01 = 1,472.99 : x
  2. Step 2: Convert to fraction form
    5,170.51/7,756.01 = 1,472.99/x
  3. Step 3: Cross multiply
    5,170.51x = 7,756.01 × 1,472.99
  4. Step 4: Simplify right side
    5,170.51x = 11,424,548.24
  5. Step 5: Solve for x
    x = 11,424,548.24/5,170.51
  6. Step 6: Final answer
    x = 2,209.56

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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.