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Finding the Fourth Proportional to 14,430.35, 19,919.18 and 8,467.02

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Solution

The fourth proportional to 14,430.35, 19,919.18 and 8,467.02 is: 11,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.35 : 19,919.18 = 8,467.02 : x
  2. Step 2: Convert to fraction form
    14,430.35/19,919.18 = 8,467.02/x
  3. Step 3: Cross multiply
    14,430.35x = 19,919.18 × 8,467.02
  4. Step 4: Simplify right side
    14,430.35x = 168,656,116.61
  5. Step 5: Solve for x
    x = 168,656,116.61/14,430.35
  6. Step 6: Final answer
    x = 11,687.60

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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.