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Finding the Fourth Proportional to 44,536.98, 66,487.08 and 42,979.44

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Solution

The fourth proportional to 44,536.98, 66,487.08 and 42,979.44 is: 64,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,536.98 : 66,487.08 = 42,979.44 : x
  2. Step 2: Convert to fraction form
    44,536.98/66,487.08 = 42,979.44/x
  3. Step 3: Cross multiply
    44,536.98x = 66,487.08 × 42,979.44
  4. Step 4: Simplify right side
    44,536.98x = 2,857,577,465.64
  5. Step 5: Solve for x
    x = 2,857,577,465.64/44,536.98
  6. Step 6: Final answer
    x = 64,161.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.