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Finding the Fourth Proportional to 43,908.69, 65,866.12 and 17,613.44

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Solution

The fourth proportional to 43,908.69, 65,866.12 and 17,613.44 is: 26,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.69 : 65,866.12 = 17,613.44 : x
  2. Step 2: Convert to fraction form
    43,908.69/65,866.12 = 17,613.44/x
  3. Step 3: Cross multiply
    43,908.69x = 65,866.12 × 17,613.44
  4. Step 4: Simplify right side
    43,908.69x = 1,160,128,579.29
  5. Step 5: Solve for x
    x = 1,160,128,579.29/43,908.69
  6. Step 6: Final answer
    x = 26,421.39

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1.5x scale

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.