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Finding the Fourth Proportional to 15,279.62, 22,923.02 and 4,749.11

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Solution

The fourth proportional to 15,279.62, 22,923.02 and 4,749.11 is: 7,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.62 : 22,923.02 = 4,749.11 : x
  2. Step 2: Convert to fraction form
    15,279.62/22,923.02 = 4,749.11/x
  3. Step 3: Cross multiply
    15,279.62x = 22,923.02 × 4,749.11
  4. Step 4: Simplify right side
    15,279.62x = 108,863,840.77
  5. Step 5: Solve for x
    x = 108,863,840.77/15,279.62
  6. Step 6: Final answer
    x = 7,124.77

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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.