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Finding the Fourth Proportional to 36,617.64, 54,955.64 and 14,436.60

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Solution

The fourth proportional to 36,617.64, 54,955.64 and 14,436.60 is: 21,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,617.64 : 54,955.64 = 14,436.60 : x
  2. Step 2: Convert to fraction form
    36,617.64/54,955.64 = 14,436.60/x
  3. Step 3: Cross multiply
    36,617.64x = 54,955.64 × 14,436.60
  4. Step 4: Simplify right side
    36,617.64x = 793,372,592.42
  5. Step 5: Solve for x
    x = 793,372,592.42/36,617.64
  6. Step 6: Final answer
    x = 21,666.40

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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.