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Finding the Fourth Proportional to 14,989.64, 22,482.67 and 11,661.21

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Solution

The fourth proportional to 14,989.64, 22,482.67 and 11,661.21 is: 17,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.64 : 22,482.67 = 11,661.21 : x
  2. Step 2: Convert to fraction form
    14,989.64/22,482.67 = 11,661.21/x
  3. Step 3: Cross multiply
    14,989.64x = 22,482.67 × 11,661.21
  4. Step 4: Simplify right side
    14,989.64x = 262,175,207.01
  5. Step 5: Solve for x
    x = 262,175,207.01/14,989.64
  6. Step 6: Final answer
    x = 17,490.43

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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.