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Finding the Fourth Proportional to 14,429.38, 21,645.93 and 5,068.72

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Solution

The fourth proportional to 14,429.38, 21,645.93 and 5,068.72 is: 7,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.38 : 21,645.93 = 5,068.72 : x
  2. Step 2: Convert to fraction form
    14,429.38/21,645.93 = 5,068.72/x
  3. Step 3: Cross multiply
    14,429.38x = 21,645.93 × 5,068.72
  4. Step 4: Simplify right side
    14,429.38x = 109,717,158.31
  5. Step 5: Solve for x
    x = 109,717,158.31/14,429.38
  6. Step 6: Final answer
    x = 7,603.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.