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Finding the Fourth Proportional to 44,656.40, 66,935.64 and 18,354.08

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Solution

The fourth proportional to 44,656.40, 66,935.64 and 18,354.08 is: 27,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,656.40 : 66,935.64 = 18,354.08 : x
  2. Step 2: Convert to fraction form
    44,656.40/66,935.64 = 18,354.08/x
  3. Step 3: Cross multiply
    44,656.40x = 66,935.64 × 18,354.08
  4. Step 4: Simplify right side
    44,656.40x = 1,228,542,091.41
  5. Step 5: Solve for x
    x = 1,228,542,091.41/44,656.40
  6. Step 6: Final answer
    x = 27,511.00

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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.