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Finding the Fourth Proportional to 10,473.52, 15,695.88 and 3,893.28

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Solution

The fourth proportional to 10,473.52, 15,695.88 and 3,893.28 is: 5,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.52 : 15,695.88 = 3,893.28 : x
  2. Step 2: Convert to fraction form
    10,473.52/15,695.88 = 3,893.28/x
  3. Step 3: Cross multiply
    10,473.52x = 15,695.88 × 3,893.28
  4. Step 4: Simplify right side
    10,473.52x = 61,108,455.69
  5. Step 5: Solve for x
    x = 61,108,455.69/10,473.52
  6. Step 6: Final answer
    x = 5,834.57

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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.