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Finding the Fourth Proportional to 8,930.03, 13,393.96 and 2,356.71

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Solution

The fourth proportional to 8,930.03, 13,393.96 and 2,356.71 is: 3,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.03 : 13,393.96 = 2,356.71 : x
  2. Step 2: Convert to fraction form
    8,930.03/13,393.96 = 2,356.71/x
  3. Step 3: Cross multiply
    8,930.03x = 13,393.96 × 2,356.71
  4. Step 4: Simplify right side
    8,930.03x = 31,565,679.47
  5. Step 5: Solve for x
    x = 31,565,679.47/8,930.03
  6. Step 6: Final answer
    x = 3,534.78

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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.