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Finding the Fourth Proportional to 8,473.70, 11,695.92 and 5,116.52

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Solution

The fourth proportional to 8,473.70, 11,695.92 and 5,116.52 is: 7,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.70 : 11,695.92 = 5,116.52 : x
  2. Step 2: Convert to fraction form
    8,473.70/11,695.92 = 5,116.52/x
  3. Step 3: Cross multiply
    8,473.70x = 11,695.92 × 5,116.52
  4. Step 4: Simplify right side
    8,473.70x = 59,842,408.60
  5. Step 5: Solve for x
    x = 59,842,408.60/8,473.70
  6. Step 6: Final answer
    x = 7,062.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.