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Finding the Fourth Proportional to 9,393.78, 14,073.27 and 4,708.32

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Solution

The fourth proportional to 9,393.78, 14,073.27 and 4,708.32 is: 7,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.78 : 14,073.27 = 4,708.32 : x
  2. Step 2: Convert to fraction form
    9,393.78/14,073.27 = 4,708.32/x
  3. Step 3: Cross multiply
    9,393.78x = 14,073.27 × 4,708.32
  4. Step 4: Simplify right side
    9,393.78x = 66,261,458.61
  5. Step 5: Solve for x
    x = 66,261,458.61/9,393.78
  6. Step 6: Final answer
    x = 7,053.76

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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.