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Finding the Fourth Proportional to 15,368.52, 23,052.24 and 4,980

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Solution

The fourth proportional to 15,368.52, 23,052.24 and 4,980 is: 7,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.52 : 23,052.24 = 4,980 : x
  2. Step 2: Convert to fraction form
    15,368.52/23,052.24 = 4,980/x
  3. Step 3: Cross multiply
    15,368.52x = 23,052.24 × 4,980
  4. Step 4: Simplify right side
    15,368.52x = 114,800,155.20
  5. Step 5: Solve for x
    x = 114,800,155.20/15,368.52
  6. Step 6: Final answer
    x = 7,469.83

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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.