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Finding the Fourth Proportional to 24,486.66, 36,736.38 and 12,644.01

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Solution

The fourth proportional to 24,486.66, 36,736.38 and 12,644.01 is: 18,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,486.66 : 36,736.38 = 12,644.01 : x
  2. Step 2: Convert to fraction form
    24,486.66/36,736.38 = 12,644.01/x
  3. Step 3: Cross multiply
    24,486.66x = 36,736.38 × 12,644.01
  4. Step 4: Simplify right side
    24,486.66x = 464,495,156.08
  5. Step 5: Solve for x
    x = 464,495,156.08/24,486.66
  6. Step 6: Final answer
    x = 18,969.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.