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Finding the Fourth Proportional to 14,339.34, 19,788.15 and 8,051.58

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Solution

The fourth proportional to 14,339.34, 19,788.15 and 8,051.58 is: 11,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.34 : 19,788.15 = 8,051.58 : x
  2. Step 2: Convert to fraction form
    14,339.34/19,788.15 = 8,051.58/x
  3. Step 3: Cross multiply
    14,339.34x = 19,788.15 × 8,051.58
  4. Step 4: Simplify right side
    14,339.34x = 159,325,872.78
  5. Step 5: Solve for x
    x = 159,325,872.78/14,339.34
  6. Step 6: Final answer
    x = 11,111.10

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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.