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Finding the Fourth Proportional to 18,152.51, 27,228.02 and 5,004.52

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Solution

The fourth proportional to 18,152.51, 27,228.02 and 5,004.52 is: 7,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.51 : 27,228.02 = 5,004.52 : x
  2. Step 2: Convert to fraction form
    18,152.51/27,228.02 = 5,004.52/x
  3. Step 3: Cross multiply
    18,152.51x = 27,228.02 × 5,004.52
  4. Step 4: Simplify right side
    18,152.51x = 136,263,077.56
  5. Step 5: Solve for x
    x = 136,263,077.56/18,152.51
  6. Step 6: Final answer
    x = 7,506.57

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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.