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Finding the Fourth Proportional to 45,557.64, 68,336.06 and 14,392.89

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Solution

The fourth proportional to 45,557.64, 68,336.06 and 14,392.89 is: 21,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.64 : 68,336.06 = 14,392.89 : x
  2. Step 2: Convert to fraction form
    45,557.64/68,336.06 = 14,392.89/x
  3. Step 3: Cross multiply
    45,557.64x = 68,336.06 × 14,392.89
  4. Step 4: Simplify right side
    45,557.64x = 983,553,322.65
  5. Step 5: Solve for x
    x = 983,553,322.65/45,557.64
  6. Step 6: Final answer
    x = 21,589.21

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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.