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Finding the Fourth Proportional to 14,567.32, 21,854.22 and 4,179.88

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Solution

The fourth proportional to 14,567.32, 21,854.22 and 4,179.88 is: 6,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.32 : 21,854.22 = 4,179.88 : x
  2. Step 2: Convert to fraction form
    14,567.32/21,854.22 = 4,179.88/x
  3. Step 3: Cross multiply
    14,567.32x = 21,854.22 × 4,179.88
  4. Step 4: Simplify right side
    14,567.32x = 91,348,017.09
  5. Step 5: Solve for x
    x = 91,348,017.09/14,567.32
  6. Step 6: Final answer
    x = 6,270.75

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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.