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Finding the Fourth Proportional to 15,929.52, 23,894 and 5,541.04

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Solution

The fourth proportional to 15,929.52, 23,894 and 5,541.04 is: 8,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.52 : 23,894 = 5,541.04 : x
  2. Step 2: Convert to fraction form
    15,929.52/23,894 = 5,541.04/x
  3. Step 3: Cross multiply
    15,929.52x = 23,894 × 5,541.04
  4. Step 4: Simplify right side
    15,929.52x = 132,397,609.76
  5. Step 5: Solve for x
    x = 132,397,609.76/15,929.52
  6. Step 6: Final answer
    x = 8,311.46

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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.