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Finding the Fourth Proportional to 12,113.30, 16,714.86 and 7,073.86

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Solution

The fourth proportional to 12,113.30, 16,714.86 and 7,073.86 is: 9,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.30 : 16,714.86 = 7,073.86 : x
  2. Step 2: Convert to fraction form
    12,113.30/16,714.86 = 7,073.86/x
  3. Step 3: Cross multiply
    12,113.30x = 16,714.86 × 7,073.86
  4. Step 4: Simplify right side
    12,113.30x = 118,238,495.58
  5. Step 5: Solve for x
    x = 118,238,495.58/12,113.30
  6. Step 6: Final answer
    x = 9,761.05

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